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Finding the Third Proportional to 63,870 and 96,688

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Solution

The third proportional to 63,870 and 96,688 is: 146,368.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,870 : 96,688 = 96,688 : x
  2. Step 2: Convert to fraction form
    63,870/96,688 = 96,688/x
  3. Step 3: Cross multiply
    63,870x = 96,688 × 96,688
  4. Step 4: Simplify right side
    63,870x = 9,348,569,344
  5. Step 5: Solve for x
    x = 9,348,569,344/63,870
  6. Step 6: Final answer
    x = 146,368.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.