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Finding the Third Proportional to 8,445 and 11,167.50

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Solution

The third proportional to 8,445 and 11,167.50 is: 14,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445 : 11,167.50 = 11,167.50 : x
  2. Step 2: Convert to fraction form
    8,445/11,167.50 = 11,167.50/x
  3. Step 3: Cross multiply
    8,445x = 11,167.50 × 11,167.50
  4. Step 4: Simplify right side
    8,445x = 124,713,056.25
  5. Step 5: Solve for x
    x = 124,713,056.25/8,445
  6. Step 6: Final answer
    x = 14,767.68

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.