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Finding the Third Proportional to 16,528 and 26,400

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Solution

The third proportional to 16,528 and 26,400 is: 42,168.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,528 : 26,400 = 26,400 : x
  2. Step 2: Convert to fraction form
    16,528/26,400 = 26,400/x
  3. Step 3: Cross multiply
    16,528x = 26,400 × 26,400
  4. Step 4: Simplify right side
    16,528x = 696,960,000
  5. Step 5: Solve for x
    x = 696,960,000/16,528
  6. Step 6: Final answer
    x = 42,168.44

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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.