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Finding the Third Proportional to 64,930 and 98,602

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Solution

The third proportional to 64,930 and 98,602 is: 149,735.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,930 : 98,602 = 98,602 : x
  2. Step 2: Convert to fraction form
    64,930/98,602 = 98,602/x
  3. Step 3: Cross multiply
    64,930x = 98,602 × 98,602
  4. Step 4: Simplify right side
    64,930x = 9,722,354,404
  5. Step 5: Solve for x
    x = 9,722,354,404/64,930
  6. Step 6: Final answer
    x = 149,735.94

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.