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Finding the Third Proportional to 87,645,206 and 136,773,688

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Solution

The third proportional to 87,645,206 and 136,773,688 is: 213,440,558.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,645,206 : 136,773,688 = 136,773,688 : x
  2. Step 2: Convert to fraction form
    87,645,206/136,773,688 = 136,773,688/x
  3. Step 3: Cross multiply
    87,645,206x = 136,773,688 × 136,773,688
  4. Step 4: Simplify right side
    87,645,206x = 18,707,041,729,121,344
  5. Step 5: Solve for x
    x = 18,707,041,729,121,344/87,645,206
  6. Step 6: Final answer
    x = 213,440,558.62

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.