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Finding the Third Proportional to 18,528 and 40,458

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Solution

The third proportional to 18,528 and 40,458 is: 88,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528 : 40,458 = 40,458 : x
  2. Step 2: Convert to fraction form
    18,528/40,458 = 40,458/x
  3. Step 3: Cross multiply
    18,528x = 40,458 × 40,458
  4. Step 4: Simplify right side
    18,528x = 1,636,849,764
  5. Step 5: Solve for x
    x = 1,636,849,764/18,528
  6. Step 6: Final answer
    x = 88,344.65

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.