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Finding the Third Proportional to 157,426,115 and 246,932,747

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Solution

The third proportional to 157,426,115 and 246,932,747 is: 387,329,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,426,115 : 246,932,747 = 246,932,747 : x
  2. Step 2: Convert to fraction form
    157,426,115/246,932,747 = 246,932,747/x
  3. Step 3: Cross multiply
    157,426,115x = 246,932,747 × 246,932,747
  4. Step 4: Simplify right side
    157,426,115x = 60,975,781,540,966,008
  5. Step 5: Solve for x
    x = 60,975,781,540,966,008/157,426,115
  6. Step 6: Final answer
    x = 387,329,519.89

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.