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Finding the Third Proportional to 8,559 and 16,323.75

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Solution

The third proportional to 8,559 and 16,323.75 is: 31,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559 : 16,323.75 = 16,323.75 : x
  2. Step 2: Convert to fraction form
    8,559/16,323.75 = 16,323.75/x
  3. Step 3: Cross multiply
    8,559x = 16,323.75 × 16,323.75
  4. Step 4: Simplify right side
    8,559x = 266,464,814.06
  5. Step 5: Solve for x
    x = 266,464,814.06/8,559
  6. Step 6: Final answer
    x = 31,132.70

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.