Home / 286,010-427,503

Finding the Third Proportional to 286,010 and 427,503

Calculator

Solution

The third proportional to 286,010 and 427,503 is: 638,994.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,010 : 427,503 = 427,503 : x
  2. Step 2: Convert to fraction form
    286,010/427,503 = 427,503/x
  3. Step 3: Cross multiply
    286,010x = 427,503 × 427,503
  4. Step 4: Simplify right side
    286,010x = 182,758,815,009
  5. Step 5: Solve for x
    x = 182,758,815,009/286,010
  6. Step 6: Final answer
    x = 638,994.49

Related Problems

Find third proportional to 143,005 and 213,751.50
Half scale
Find third proportional to 572,020 and 855,006
Double scale
Find third proportional to 286,012 and 427,506
Similar ratio
Find third proportional to 429,015 and 641,254.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.