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Finding the Third Proportional to 18,701.03 and 40,921.06

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Solution

The third proportional to 18,701.03 and 40,921.06 is: 89,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.03 : 40,921.06 = 40,921.06 : x
  2. Step 2: Convert to fraction form
    18,701.03/40,921.06 = 40,921.06/x
  3. Step 3: Cross multiply
    18,701.03x = 40,921.06 × 40,921.06
  4. Step 4: Simplify right side
    18,701.03x = 1,674,533,356.13
  5. Step 5: Solve for x
    x = 1,674,533,356.13/18,701.03
  6. Step 6: Final answer
    x = 89,542.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.