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Finding the Third Proportional to 187,689.50 and 404,903.75

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Solution

The third proportional to 187,689.50 and 404,903.75 is: 873,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,689.50 : 404,903.75 = 404,903.75 : x
  2. Step 2: Convert to fraction form
    187,689.50/404,903.75 = 404,903.75/x
  3. Step 3: Cross multiply
    187,689.50x = 404,903.75 × 404,903.75
  4. Step 4: Simplify right side
    187,689.50x = 163,947,046,764.06
  5. Step 5: Solve for x
    x = 163,947,046,764.06/187,689.50
  6. Step 6: Final answer
    x = 873,501.43

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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.