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Finding the Third Proportional to 239,653.50 and 516,658.50

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Solution

The third proportional to 239,653.50 and 516,658.50 is: 1,113,841.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,653.50 : 516,658.50 = 516,658.50 : x
  2. Step 2: Convert to fraction form
    239,653.50/516,658.50 = 516,658.50/x
  3. Step 3: Cross multiply
    239,653.50x = 516,658.50 × 516,658.50
  4. Step 4: Simplify right side
    239,653.50x = 266,936,005,622.25
  5. Step 5: Solve for x
    x = 266,936,005,622.25/239,653.50
  6. Step 6: Final answer
    x = 1,113,841.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.