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Finding the Third Proportional to 6,378.38 and 13,528.88

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Solution

The third proportional to 6,378.38 and 13,528.88 is: 28,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.38 : 13,528.88 = 13,528.88 : x
  2. Step 2: Convert to fraction form
    6,378.38/13,528.88 = 13,528.88/x
  3. Step 3: Cross multiply
    6,378.38x = 13,528.88 × 13,528.88
  4. Step 4: Simplify right side
    6,378.38x = 183,030,458.77
  5. Step 5: Solve for x
    x = 183,030,458.77/6,378.38
  6. Step 6: Final answer
    x = 28,695.47

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.