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Finding the Third Proportional to 621,618.75 and 928,593

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Solution

The third proportional to 621,618.75 and 928,593 is: 1,387,160.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,618.75 : 928,593 = 928,593 : x
  2. Step 2: Convert to fraction form
    621,618.75/928,593 = 928,593/x
  3. Step 3: Cross multiply
    621,618.75x = 928,593 × 928,593
  4. Step 4: Simplify right side
    621,618.75x = 862,284,959,649
  5. Step 5: Solve for x
    x = 862,284,959,649/621,618.75
  6. Step 6: Final answer
    x = 1,387,160.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.