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Finding the Third Proportional to 61,170.75 and 90,619.13

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Solution

The third proportional to 61,170.75 and 90,619.13 is: 134,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,170.75 : 90,619.13 = 90,619.13 : x
  2. Step 2: Convert to fraction form
    61,170.75/90,619.13 = 90,619.13/x
  3. Step 3: Cross multiply
    61,170.75x = 90,619.13 × 90,619.13
  4. Step 4: Simplify right side
    61,170.75x = 8,211,825,815.77
  5. Step 5: Solve for x
    x = 8,211,825,815.77/61,170.75
  6. Step 6: Final answer
    x = 134,244.32

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.