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Finding the Third Proportional to 247,135 and 539,576

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Solution

The third proportional to 247,135 and 539,576 is: 1,178,069.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,135 : 539,576 = 539,576 : x
  2. Step 2: Convert to fraction form
    247,135/539,576 = 539,576/x
  3. Step 3: Cross multiply
    247,135x = 539,576 × 539,576
  4. Step 4: Simplify right side
    247,135x = 291,142,259,776
  5. Step 5: Solve for x
    x = 291,142,259,776/247,135
  6. Step 6: Final answer
    x = 1,178,069.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.