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Finding the Third Proportional to 11,800 and 13,528

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Solution

The third proportional to 11,800 and 13,528 is: 15,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800 : 13,528 = 13,528 : x
  2. Step 2: Convert to fraction form
    11,800/13,528 = 13,528/x
  3. Step 3: Cross multiply
    11,800x = 13,528 × 13,528
  4. Step 4: Simplify right side
    11,800x = 183,006,784
  5. Step 5: Solve for x
    x = 183,006,784/11,800
  6. Step 6: Final answer
    x = 15,509.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.