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Finding the Third Proportional to 542,866 and 798,510

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Solution

The third proportional to 542,866 and 798,510 is: 1,174,540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,866 : 798,510 = 798,510 : x
  2. Step 2: Convert to fraction form
    542,866/798,510 = 798,510/x
  3. Step 3: Cross multiply
    542,866x = 798,510 × 798,510
  4. Step 4: Simplify right side
    542,866x = 637,618,220,100
  5. Step 5: Solve for x
    x = 637,618,220,100/542,866
  6. Step 6: Final answer
    x = 1,174,540.72

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.