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Finding the Third Proportional to 63,672 and 93,540

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Solution

The third proportional to 63,672 and 93,540 is: 137,418.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,672 : 93,540 = 93,540 : x
  2. Step 2: Convert to fraction form
    63,672/93,540 = 93,540/x
  3. Step 3: Cross multiply
    63,672x = 93,540 × 93,540
  4. Step 4: Simplify right side
    63,672x = 8,749,731,600
  5. Step 5: Solve for x
    x = 8,749,731,600/63,672
  6. Step 6: Final answer
    x = 137,418.83

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.