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Finding the Third Proportional to 819,340.88 and 1,240,398

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Solution

The third proportional to 819,340.88 and 1,240,398 is: 1,877,835.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,340.88 : 1,240,398 = 1,240,398 : x
  2. Step 2: Convert to fraction form
    819,340.88/1,240,398 = 1,240,398/x
  3. Step 3: Cross multiply
    819,340.88x = 1,240,398 × 1,240,398
  4. Step 4: Simplify right side
    819,340.88x = 1,538,587,198,404
  5. Step 5: Solve for x
    x = 1,538,587,198,404/819,340.88
  6. Step 6: Final answer
    x = 1,877,835.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.