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Finding the Third Proportional to 251,442 and 542,250

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Solution

The third proportional to 251,442 and 542,250 is: 1,169,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,442 : 542,250 = 542,250 : x
  2. Step 2: Convert to fraction form
    251,442/542,250 = 542,250/x
  3. Step 3: Cross multiply
    251,442x = 542,250 × 542,250
  4. Step 4: Simplify right side
    251,442x = 294,035,062,500
  5. Step 5: Solve for x
    x = 294,035,062,500/251,442
  6. Step 6: Final answer
    x = 1,169,395.18

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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.