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Finding the Third Proportional to 535,418 and 829,048

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Solution

The third proportional to 535,418 and 829,048 is: 1,283,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,418 : 829,048 = 829,048 : x
  2. Step 2: Convert to fraction form
    535,418/829,048 = 829,048/x
  3. Step 3: Cross multiply
    535,418x = 829,048 × 829,048
  4. Step 4: Simplify right side
    535,418x = 687,320,586,304
  5. Step 5: Solve for x
    x = 687,320,586,304/535,418
  6. Step 6: Final answer
    x = 1,283,708.40

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.