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Finding the Third Proportional to 91,260 and 141,246

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Solution

The third proportional to 91,260 and 141,246 is: 218,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,260 : 141,246 = 141,246 : x
  2. Step 2: Convert to fraction form
    91,260/141,246 = 141,246/x
  3. Step 3: Cross multiply
    91,260x = 141,246 × 141,246
  4. Step 4: Simplify right side
    91,260x = 19,950,432,516
  5. Step 5: Solve for x
    x = 19,950,432,516/91,260
  6. Step 6: Final answer
    x = 218,610.92

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.