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Finding the Third Proportional to 13,287 and 29,154

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Solution

The third proportional to 13,287 and 29,154 is: 63,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287 : 29,154 = 29,154 : x
  2. Step 2: Convert to fraction form
    13,287/29,154 = 29,154/x
  3. Step 3: Cross multiply
    13,287x = 29,154 × 29,154
  4. Step 4: Simplify right side
    13,287x = 849,955,716
  5. Step 5: Solve for x
    x = 849,955,716/13,287
  6. Step 6: Final answer
    x = 63,968.97

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.