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Finding the Third Proportional to 7,435.13 and 11,112.19

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Solution

The third proportional to 7,435.13 and 11,112.19 is: 16,607.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.13 : 11,112.19 = 11,112.19 : x
  2. Step 2: Convert to fraction form
    7,435.13/11,112.19 = 11,112.19/x
  3. Step 3: Cross multiply
    7,435.13x = 11,112.19 × 11,112.19
  4. Step 4: Simplify right side
    7,435.13x = 123,480,711.04
  5. Step 5: Solve for x
    x = 123,480,711.04/7,435.13
  6. Step 6: Final answer
    x = 16,607.75

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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.