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Finding the Third Proportional to 75,965.50 and 156,791

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Solution

The third proportional to 75,965.50 and 156,791 is: 323,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,965.50 : 156,791 = 156,791 : x
  2. Step 2: Convert to fraction form
    75,965.50/156,791 = 156,791/x
  3. Step 3: Cross multiply
    75,965.50x = 156,791 × 156,791
  4. Step 4: Simplify right side
    75,965.50x = 24,583,417,681
  5. Step 5: Solve for x
    x = 24,583,417,681/75,965.50
  6. Step 6: Final answer
    x = 323,612.93

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.