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Finding the Third Proportional to 819,533 and 1,240,725

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Solution

The third proportional to 819,533 and 1,240,725 is: 1,878,385.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,533 : 1,240,725 = 1,240,725 : x
  2. Step 2: Convert to fraction form
    819,533/1,240,725 = 1,240,725/x
  3. Step 3: Cross multiply
    819,533x = 1,240,725 × 1,240,725
  4. Step 4: Simplify right side
    819,533x = 1,539,398,525,625
  5. Step 5: Solve for x
    x = 1,539,398,525,625/819,533
  6. Step 6: Final answer
    x = 1,878,385.04

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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.