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Finding the Third Proportional to 210,816 and 337,182.75

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Solution

The third proportional to 210,816 and 337,182.75 is: 539,295.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,816 : 337,182.75 = 337,182.75 : x
  2. Step 2: Convert to fraction form
    210,816/337,182.75 = 337,182.75/x
  3. Step 3: Cross multiply
    210,816x = 337,182.75 × 337,182.75
  4. Step 4: Simplify right side
    210,816x = 113,692,206,897.56
  5. Step 5: Solve for x
    x = 113,692,206,897.56/210,816
  6. Step 6: Final answer
    x = 539,295.91

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.