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Finding the Third Proportional to 78,551,386 and 169,598,598

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Solution

The third proportional to 78,551,386 and 169,598,598 is: 366,176,663.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,551,386 : 169,598,598 = 169,598,598 : x
  2. Step 2: Convert to fraction form
    78,551,386/169,598,598 = 169,598,598/x
  3. Step 3: Cross multiply
    78,551,386x = 169,598,598 × 169,598,598
  4. Step 4: Simplify right side
    78,551,386x = 28,763,684,443,565,604
  5. Step 5: Solve for x
    x = 28,763,684,443,565,604/78,551,386
  6. Step 6: Final answer
    x = 366,176,663.56

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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.