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Finding the Third Proportional to 239,487.75 and 359,266.50

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Solution

The third proportional to 239,487.75 and 359,266.50 is: 538,952.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,487.75 : 359,266.50 = 359,266.50 : x
  2. Step 2: Convert to fraction form
    239,487.75/359,266.50 = 359,266.50/x
  3. Step 3: Cross multiply
    239,487.75x = 359,266.50 × 359,266.50
  4. Step 4: Simplify right side
    239,487.75x = 129,072,418,022.25
  5. Step 5: Solve for x
    x = 129,072,418,022.25/239,487.75
  6. Step 6: Final answer
    x = 538,952.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.