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Finding the Third Proportional to 8,566 and 18,603.50

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Solution

The third proportional to 8,566 and 18,603.50 is: 40,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566 : 18,603.50 = 18,603.50 : x
  2. Step 2: Convert to fraction form
    8,566/18,603.50 = 18,603.50/x
  3. Step 3: Cross multiply
    8,566x = 18,603.50 × 18,603.50
  4. Step 4: Simplify right side
    8,566x = 346,090,212.25
  5. Step 5: Solve for x
    x = 346,090,212.25/8,566
  6. Step 6: Final answer
    x = 40,402.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.