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Finding the Third Proportional to 18,466 and 40,316

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Solution

The third proportional to 18,466 and 40,316 is: 88,020.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466 : 40,316 = 40,316 : x
  2. Step 2: Convert to fraction form
    18,466/40,316 = 40,316/x
  3. Step 3: Cross multiply
    18,466x = 40,316 × 40,316
  4. Step 4: Simplify right side
    18,466x = 1,625,379,856
  5. Step 5: Solve for x
    x = 1,625,379,856/18,466
  6. Step 6: Final answer
    x = 88,020.14

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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.