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Finding the Third Proportional to 543,180 and 798,121.50

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Solution

The third proportional to 543,180 and 798,121.50 is: 1,172,719.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,180 : 798,121.50 = 798,121.50 : x
  2. Step 2: Convert to fraction form
    543,180/798,121.50 = 798,121.50/x
  3. Step 3: Cross multiply
    543,180x = 798,121.50 × 798,121.50
  4. Step 4: Simplify right side
    543,180x = 636,997,928,762.25
  5. Step 5: Solve for x
    x = 636,997,928,762.25/543,180
  6. Step 6: Final answer
    x = 1,172,719.78

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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.