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Finding the Third Proportional to 108,823.50 and 145,374.75

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Solution

The third proportional to 108,823.50 and 145,374.75 is: 194,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,823.50 : 145,374.75 = 145,374.75 : x
  2. Step 2: Convert to fraction form
    108,823.50/145,374.75 = 145,374.75/x
  3. Step 3: Cross multiply
    108,823.50x = 145,374.75 × 145,374.75
  4. Step 4: Simplify right side
    108,823.50x = 21,133,817,937.56
  5. Step 5: Solve for x
    x = 21,133,817,937.56/108,823.50
  6. Step 6: Final answer
    x = 194,202.70

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.