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Finding the Third Proportional to 102,864.75 and 160,311.75

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Solution

The third proportional to 102,864.75 and 160,311.75 is: 249,841.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,864.75 : 160,311.75 = 160,311.75 : x
  2. Step 2: Convert to fraction form
    102,864.75/160,311.75 = 160,311.75/x
  3. Step 3: Cross multiply
    102,864.75x = 160,311.75 × 160,311.75
  4. Step 4: Simplify right side
    102,864.75x = 25,699,857,188.06
  5. Step 5: Solve for x
    x = 25,699,857,188.06/102,864.75
  6. Step 6: Final answer
    x = 249,841.24

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.