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Finding the Third Proportional to 3,565 and 8,588.50

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Solution

The third proportional to 3,565 and 8,588.50 is: 20,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565 : 8,588.50 = 8,588.50 : x
  2. Step 2: Convert to fraction form
    3,565/8,588.50 = 8,588.50/x
  3. Step 3: Cross multiply
    3,565x = 8,588.50 × 8,588.50
  4. Step 4: Simplify right side
    3,565x = 73,762,332.25
  5. Step 5: Solve for x
    x = 73,762,332.25/3,565
  6. Step 6: Final answer
    x = 20,690.70

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.