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Finding the Third Proportional to 77,260.50 and 160,442.25

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Solution

The third proportional to 77,260.50 and 160,442.25 is: 333,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,260.50 : 160,442.25 = 160,442.25 : x
  2. Step 2: Convert to fraction form
    77,260.50/160,442.25 = 160,442.25/x
  3. Step 3: Cross multiply
    77,260.50x = 160,442.25 × 160,442.25
  4. Step 4: Simplify right side
    77,260.50x = 25,741,715,585.06
  5. Step 5: Solve for x
    x = 25,741,715,585.06/77,260.50
  6. Step 6: Final answer
    x = 333,180.81

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.