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Finding the Third Proportional to 108,374.20 and 172,594.55

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Solution

The third proportional to 108,374.20 and 172,594.55 is: 274,870.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,374.20 : 172,594.55 = 172,594.55 : x
  2. Step 2: Convert to fraction form
    108,374.20/172,594.55 = 172,594.55/x
  3. Step 3: Cross multiply
    108,374.20x = 172,594.55 × 172,594.55
  4. Step 4: Simplify right side
    108,374.20x = 29,788,877,610.99
  5. Step 5: Solve for x
    x = 29,788,877,610.99/108,374.20
  6. Step 6: Final answer
    x = 274,870.56

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.