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Finding the Third Proportional to 71,619.50 and 157,536

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Solution

The third proportional to 71,619.50 and 157,536 is: 346,520.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,619.50 : 157,536 = 157,536 : x
  2. Step 2: Convert to fraction form
    71,619.50/157,536 = 157,536/x
  3. Step 3: Cross multiply
    71,619.50x = 157,536 × 157,536
  4. Step 4: Simplify right side
    71,619.50x = 24,817,591,296
  5. Step 5: Solve for x
    x = 24,817,591,296/71,619.50
  6. Step 6: Final answer
    x = 346,520.03

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.