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Finding the Third Proportional to 61,368 and 132,418

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Solution

The third proportional to 61,368 and 132,418 is: 285,727.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,368 : 132,418 = 132,418 : x
  2. Step 2: Convert to fraction form
    61,368/132,418 = 132,418/x
  3. Step 3: Cross multiply
    61,368x = 132,418 × 132,418
  4. Step 4: Simplify right side
    61,368x = 17,534,526,724
  5. Step 5: Solve for x
    x = 17,534,526,724/61,368
  6. Step 6: Final answer
    x = 285,727.52

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.