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Finding the Third Proportional to 337,718.25 and 513,540

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Solution

The third proportional to 337,718.25 and 513,540 is: 780,897.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,718.25 : 513,540 = 513,540 : x
  2. Step 2: Convert to fraction form
    337,718.25/513,540 = 513,540/x
  3. Step 3: Cross multiply
    337,718.25x = 513,540 × 513,540
  4. Step 4: Simplify right side
    337,718.25x = 263,723,331,600
  5. Step 5: Solve for x
    x = 263,723,331,600/337,718.25
  6. Step 6: Final answer
    x = 780,897.48

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.