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Finding the Third Proportional to 79,711,960 and 171,649,304

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Solution

The third proportional to 79,711,960 and 171,649,304 is: 369,624,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,711,960 : 171,649,304 = 171,649,304 : x
  2. Step 2: Convert to fraction form
    79,711,960/171,649,304 = 171,649,304/x
  3. Step 3: Cross multiply
    79,711,960x = 171,649,304 × 171,649,304
  4. Step 4: Simplify right side
    79,711,960x = 29,463,483,563,684,416
  5. Step 5: Solve for x
    x = 29,463,483,563,684,416/79,711,960
  6. Step 6: Final answer
    x = 369,624,377.12

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.