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Finding the Third Proportional to 251,376 and 542,118

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Solution

The third proportional to 251,376 and 542,118 is: 1,169,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,376 : 542,118 = 542,118 : x
  2. Step 2: Convert to fraction form
    251,376/542,118 = 542,118/x
  3. Step 3: Cross multiply
    251,376x = 542,118 × 542,118
  4. Step 4: Simplify right side
    251,376x = 293,891,925,924
  5. Step 5: Solve for x
    x = 293,891,925,924/251,376
  6. Step 6: Final answer
    x = 1,169,132.80

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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.