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Finding the Third Proportional to 28,348 and 61,691

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Solution

The third proportional to 28,348 and 61,691 is: 134,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348 : 61,691 = 61,691 : x
  2. Step 2: Convert to fraction form
    28,348/61,691 = 61,691/x
  3. Step 3: Cross multiply
    28,348x = 61,691 × 61,691
  4. Step 4: Simplify right side
    28,348x = 3,805,779,481
  5. Step 5: Solve for x
    x = 3,805,779,481/28,348
  6. Step 6: Final answer
    x = 134,252.13

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.