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Finding the Third Proportional to 63,768 and 137,292

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Solution

The third proportional to 63,768 and 137,292 is: 295,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,768 : 137,292 = 137,292 : x
  2. Step 2: Convert to fraction form
    63,768/137,292 = 137,292/x
  3. Step 3: Cross multiply
    63,768x = 137,292 × 137,292
  4. Step 4: Simplify right side
    63,768x = 18,849,093,264
  5. Step 5: Solve for x
    x = 18,849,093,264/63,768
  6. Step 6: Final answer
    x = 295,588.59

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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.