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Finding the Third Proportional to 247,242 and 542,598

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Solution

The third proportional to 247,242 and 542,598 is: 1,190,787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,242 : 542,598 = 542,598 : x
  2. Step 2: Convert to fraction form
    247,242/542,598 = 542,598/x
  3. Step 3: Cross multiply
    247,242x = 542,598 × 542,598
  4. Step 4: Simplify right side
    247,242x = 294,412,589,604
  5. Step 5: Solve for x
    x = 294,412,589,604/247,242
  6. Step 6: Final answer
    x = 1,190,787.12

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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.