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Finding the Third Proportional to 258,339.38 and 560,965.50

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Solution

The third proportional to 258,339.38 and 560,965.50 is: 1,218,096.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,339.38 : 560,965.50 = 560,965.50 : x
  2. Step 2: Convert to fraction form
    258,339.38/560,965.50 = 560,965.50/x
  3. Step 3: Cross multiply
    258,339.38x = 560,965.50 × 560,965.50
  4. Step 4: Simplify right side
    258,339.38x = 314,682,292,190.25
  5. Step 5: Solve for x
    x = 314,682,292,190.25/258,339.38
  6. Step 6: Final answer
    x = 1,218,096.51

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.