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Finding the Third Proportional to 6,460.31 and 9,971.44

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Solution

The third proportional to 6,460.31 and 9,971.44 is: 15,390.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,460.31 : 9,971.44 = 9,971.44 : x
  2. Step 2: Convert to fraction form
    6,460.31/9,971.44 = 9,971.44/x
  3. Step 3: Cross multiply
    6,460.31x = 9,971.44 × 9,971.44
  4. Step 4: Simplify right side
    6,460.31x = 99,429,565.82
  5. Step 5: Solve for x
    x = 99,429,565.82/6,460.31
  6. Step 6: Final answer
    x = 15,390.83

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.