Home / 77,921-168,296

Finding the Third Proportional to 77,921 and 168,296

Calculator

Solution

The third proportional to 77,921 and 168,296 is: 363,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,921 : 168,296 = 168,296 : x
  2. Step 2: Convert to fraction form
    77,921/168,296 = 168,296/x
  3. Step 3: Cross multiply
    77,921x = 168,296 × 168,296
  4. Step 4: Simplify right side
    77,921x = 28,323,543,616
  5. Step 5: Solve for x
    x = 28,323,543,616/77,921
  6. Step 6: Final answer
    x = 363,490.50

Related Problems

Find third proportional to 38,960.50 and 84,148
Half scale
Find third proportional to 155,842 and 336,592
Double scale
Find third proportional to 77,923 and 168,300
Similar ratio
Find third proportional to 116,881.50 and 252,444
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.