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Finding the Third Proportional to 77,207,206 and 169,716,143

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Solution

The third proportional to 77,207,206 and 169,716,143 is: 373,068,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,207,206 : 169,716,143 = 169,716,143 : x
  2. Step 2: Convert to fraction form
    77,207,206/169,716,143 = 169,716,143/x
  3. Step 3: Cross multiply
    77,207,206x = 169,716,143 × 169,716,143
  4. Step 4: Simplify right side
    77,207,206x = 28,803,569,194,796,448
  5. Step 5: Solve for x
    x = 28,803,569,194,796,448/77,207,206
  6. Step 6: Final answer
    x = 373,068,404.97

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.