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Finding the Third Proportional to 18,046 and 39,370

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Solution

The third proportional to 18,046 and 39,370 is: 85,891.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,046 : 39,370 = 39,370 : x
  2. Step 2: Convert to fraction form
    18,046/39,370 = 39,370/x
  3. Step 3: Cross multiply
    18,046x = 39,370 × 39,370
  4. Step 4: Simplify right side
    18,046x = 1,549,996,900
  5. Step 5: Solve for x
    x = 1,549,996,900/18,046
  6. Step 6: Final answer
    x = 85,891.44

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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.