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Finding the Third Proportional to 102,799.50 and 161,298.75

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Solution

The third proportional to 102,799.50 and 161,298.75 is: 253,087.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,799.50 : 161,298.75 = 161,298.75 : x
  2. Step 2: Convert to fraction form
    102,799.50/161,298.75 = 161,298.75/x
  3. Step 3: Cross multiply
    102,799.50x = 161,298.75 × 161,298.75
  4. Step 4: Simplify right side
    102,799.50x = 26,017,286,751.56
  5. Step 5: Solve for x
    x = 26,017,286,751.56/102,799.50
  6. Step 6: Final answer
    x = 253,087.68

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.