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Finding the Third Proportional to 18,528 and 28,731.75

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Solution

The third proportional to 18,528 and 28,731.75 is: 44,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528 : 28,731.75 = 28,731.75 : x
  2. Step 2: Convert to fraction form
    18,528/28,731.75 = 28,731.75/x
  3. Step 3: Cross multiply
    18,528x = 28,731.75 × 28,731.75
  4. Step 4: Simplify right side
    18,528x = 825,513,458.06
  5. Step 5: Solve for x
    x = 825,513,458.06/18,528
  6. Step 6: Final answer
    x = 44,554.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.