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Finding the Third Proportional to 542,867 and 798,511

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Solution

The third proportional to 542,867 and 798,511 is: 1,174,541.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,867 : 798,511 = 798,511 : x
  2. Step 2: Convert to fraction form
    542,867/798,511 = 798,511/x
  3. Step 3: Cross multiply
    542,867x = 798,511 × 798,511
  4. Step 4: Simplify right side
    542,867x = 637,619,817,121
  5. Step 5: Solve for x
    x = 637,619,817,121/542,867
  6. Step 6: Final answer
    x = 1,174,541.49

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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.