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Finding the Third Proportional to 67,558 and 98,730

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Solution

The third proportional to 67,558 and 98,730 is: 144,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,558 : 98,730 = 98,730 : x
  2. Step 2: Convert to fraction form
    67,558/98,730 = 98,730/x
  3. Step 3: Cross multiply
    67,558x = 98,730 × 98,730
  4. Step 4: Simplify right side
    67,558x = 9,747,612,900
  5. Step 5: Solve for x
    x = 9,747,612,900/67,558
  6. Step 6: Final answer
    x = 144,285.10

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.