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Finding the Third Proportional to 92,347.50 and 198,486

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Solution

The third proportional to 92,347.50 and 198,486 is: 426,613.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,347.50 : 198,486 = 198,486 : x
  2. Step 2: Convert to fraction form
    92,347.50/198,486 = 198,486/x
  3. Step 3: Cross multiply
    92,347.50x = 198,486 × 198,486
  4. Step 4: Simplify right side
    92,347.50x = 39,396,692,196
  5. Step 5: Solve for x
    x = 39,396,692,196/92,347.50
  6. Step 6: Final answer
    x = 426,613.52

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.