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Finding the Third Proportional to 60,999.66 and 91,140.56

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Solution

The third proportional to 60,999.66 and 91,140.56 is: 136,174.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,999.66 : 91,140.56 = 91,140.56 : x
  2. Step 2: Convert to fraction form
    60,999.66/91,140.56 = 91,140.56/x
  3. Step 3: Cross multiply
    60,999.66x = 91,140.56 × 91,140.56
  4. Step 4: Simplify right side
    60,999.66x = 8,306,602,132.82
  5. Step 5: Solve for x
    x = 8,306,602,132.82/60,999.66
  6. Step 6: Final answer
    x = 136,174.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.