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Finding the Third Proportional to 3,528 and 7,508.25

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Solution

The third proportional to 3,528 and 7,508.25 is: 15,978.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528 : 7,508.25 = 7,508.25 : x
  2. Step 2: Convert to fraction form
    3,528/7,508.25 = 7,508.25/x
  3. Step 3: Cross multiply
    3,528x = 7,508.25 × 7,508.25
  4. Step 4: Simplify right side
    3,528x = 56,373,818.06
  5. Step 5: Solve for x
    x = 56,373,818.06/3,528
  6. Step 6: Final answer
    x = 15,978.97

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.