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Finding the Third Proportional to 64,687 and 96,631

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Solution

The third proportional to 64,687 and 96,631 is: 144,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,687 : 96,631 = 96,631 : x
  2. Step 2: Convert to fraction form
    64,687/96,631 = 96,631/x
  3. Step 3: Cross multiply
    64,687x = 96,631 × 96,631
  4. Step 4: Simplify right side
    64,687x = 9,337,550,161
  5. Step 5: Solve for x
    x = 9,337,550,161/64,687
  6. Step 6: Final answer
    x = 144,349.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.