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Finding the Third Proportional to 40,264.59 and 87,447.09

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Solution

The third proportional to 40,264.59 and 87,447.09 is: 189,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,264.59 : 87,447.09 = 87,447.09 : x
  2. Step 2: Convert to fraction form
    40,264.59/87,447.09 = 87,447.09/x
  3. Step 3: Cross multiply
    40,264.59x = 87,447.09 × 87,447.09
  4. Step 4: Simplify right side
    40,264.59x = 7,646,994,205.32
  5. Step 5: Solve for x
    x = 7,646,994,205.32/40,264.59
  6. Step 6: Final answer
    x = 189,918.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.