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Finding the Third Proportional to 18,528 and 40,569.75

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Solution

The third proportional to 18,528 and 40,569.75 is: 88,833.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528 : 40,569.75 = 40,569.75 : x
  2. Step 2: Convert to fraction form
    18,528/40,569.75 = 40,569.75/x
  3. Step 3: Cross multiply
    18,528x = 40,569.75 × 40,569.75
  4. Step 4: Simplify right side
    18,528x = 1,645,904,615.06
  5. Step 5: Solve for x
    x = 1,645,904,615.06/18,528
  6. Step 6: Final answer
    x = 88,833.37

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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.