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Finding the Third Proportional to 8,990 and 14,363

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Solution

The third proportional to 8,990 and 14,363 is: 22,947.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990 : 14,363 = 14,363 : x
  2. Step 2: Convert to fraction form
    8,990/14,363 = 14,363/x
  3. Step 3: Cross multiply
    8,990x = 14,363 × 14,363
  4. Step 4: Simplify right side
    8,990x = 206,295,769
  5. Step 5: Solve for x
    x = 206,295,769/8,990
  6. Step 6: Final answer
    x = 22,947.25

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.