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Finding the Third Proportional to 247,180 and 542,486

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Solution

The third proportional to 247,180 and 542,486 is: 1,190,594.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,180 : 542,486 = 542,486 : x
  2. Step 2: Convert to fraction form
    247,180/542,486 = 542,486/x
  3. Step 3: Cross multiply
    247,180x = 542,486 × 542,486
  4. Step 4: Simplify right side
    247,180x = 294,291,060,196
  5. Step 5: Solve for x
    x = 294,291,060,196/247,180
  6. Step 6: Final answer
    x = 1,190,594.14

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.