Home / 139,830,948-211,689,774

Finding the Third Proportional to 139,830,948 and 211,689,774

Calculator

Solution

The third proportional to 139,830,948 and 211,689,774 is: 320,476,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,830,948 : 211,689,774 = 211,689,774 : x
  2. Step 2: Convert to fraction form
    139,830,948/211,689,774 = 211,689,774/x
  3. Step 3: Cross multiply
    139,830,948x = 211,689,774 × 211,689,774
  4. Step 4: Simplify right side
    139,830,948x = 44,812,560,416,171,072
  5. Step 5: Solve for x
    x = 44,812,560,416,171,072/139,830,948
  6. Step 6: Final answer
    x = 320,476,697.45

Related Problems

Find third proportional to 69,915,474 and 105,844,887
Half scale
Find third proportional to 279,661,896 and 423,379,548
Double scale
Find third proportional to 139,830,950 and 211,689,777
Similar ratio
Find third proportional to 209,746,422 and 317,534,661
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.