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Finding the Third Proportional to 63,425 and 98,769

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Solution

The third proportional to 63,425 and 98,769 is: 153,808.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,425 : 98,769 = 98,769 : x
  2. Step 2: Convert to fraction form
    63,425/98,769 = 98,769/x
  3. Step 3: Cross multiply
    63,425x = 98,769 × 98,769
  4. Step 4: Simplify right side
    63,425x = 9,755,315,361
  5. Step 5: Solve for x
    x = 9,755,315,361/63,425
  6. Step 6: Final answer
    x = 153,808.68

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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.