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Finding the Third Proportional to 4,023 and 8,603

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Solution

The third proportional to 4,023 and 8,603 is: 18,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,023 : 8,603 = 8,603 : x
  2. Step 2: Convert to fraction form
    4,023/8,603 = 8,603/x
  3. Step 3: Cross multiply
    4,023x = 8,603 × 8,603
  4. Step 4: Simplify right side
    4,023x = 74,011,609
  5. Step 5: Solve for x
    x = 74,011,609/4,023
  6. Step 6: Final answer
    x = 18,397.12

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.