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Finding the Third Proportional to 239,526.56 and 521,578.13

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Solution

The third proportional to 239,526.56 and 521,578.13 is: 1,135,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,526.56 : 521,578.13 = 521,578.13 : x
  2. Step 2: Convert to fraction form
    239,526.56/521,578.13 = 521,578.13/x
  3. Step 3: Cross multiply
    239,526.56x = 521,578.13 × 521,578.13
  4. Step 4: Simplify right side
    239,526.56x = 272,043,740,478.52
  5. Step 5: Solve for x
    x = 272,043,740,478.52/239,526.56
  6. Step 6: Final answer
    x = 1,135,756.04

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.