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Finding the Third Proportional to 69,687 and 93,636

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Solution

The third proportional to 69,687 and 93,636 is: 125,815.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,687 : 93,636 = 93,636 : x
  2. Step 2: Convert to fraction form
    69,687/93,636 = 93,636/x
  3. Step 3: Cross multiply
    69,687x = 93,636 × 93,636
  4. Step 4: Simplify right side
    69,687x = 8,767,700,496
  5. Step 5: Solve for x
    x = 8,767,700,496/69,687
  6. Step 6: Final answer
    x = 125,815.44

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.