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Finding the Third Proportional to 108,749 and 239,570

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Solution

The third proportional to 108,749 and 239,570 is: 527,763.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,749 : 239,570 = 239,570 : x
  2. Step 2: Convert to fraction form
    108,749/239,570 = 239,570/x
  3. Step 3: Cross multiply
    108,749x = 239,570 × 239,570
  4. Step 4: Simplify right side
    108,749x = 57,393,784,900
  5. Step 5: Solve for x
    x = 57,393,784,900/108,749
  6. Step 6: Final answer
    x = 527,763.79

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.