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Finding the Third Proportional to 7,800 and 14,882

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Solution

The third proportional to 7,800 and 14,882 is: 28,394.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800 : 14,882 = 14,882 : x
  2. Step 2: Convert to fraction form
    7,800/14,882 = 14,882/x
  3. Step 3: Cross multiply
    7,800x = 14,882 × 14,882
  4. Step 4: Simplify right side
    7,800x = 221,473,924
  5. Step 5: Solve for x
    x = 221,473,924/7,800
  6. Step 6: Final answer
    x = 28,394.09

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1.5x scale

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.