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Finding the Third Proportional to 81,079,436 and 174,913,402

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Solution

The third proportional to 81,079,436 and 174,913,402 is: 377,342,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,079,436 : 174,913,402 = 174,913,402 : x
  2. Step 2: Convert to fraction form
    81,079,436/174,913,402 = 174,913,402/x
  3. Step 3: Cross multiply
    81,079,436x = 174,913,402 × 174,913,402
  4. Step 4: Simplify right side
    81,079,436x = 30,594,698,199,213,604
  5. Step 5: Solve for x
    x = 30,594,698,199,213,604/81,079,436
  6. Step 6: Final answer
    x = 377,342,267.15

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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.