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Finding the Third Proportional to 72,040.88 and 115,750.50

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Solution

The third proportional to 72,040.88 and 115,750.50 is: 185,980.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,040.88 : 115,750.50 = 115,750.50 : x
  2. Step 2: Convert to fraction form
    72,040.88/115,750.50 = 115,750.50/x
  3. Step 3: Cross multiply
    72,040.88x = 115,750.50 × 115,750.50
  4. Step 4: Simplify right side
    72,040.88x = 13,398,178,250.25
  5. Step 5: Solve for x
    x = 13,398,178,250.25/72,040.88
  6. Step 6: Final answer
    x = 185,980.23

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.