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Finding the Third Proportional to 7,895 and 12,317

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Solution

The third proportional to 7,895 and 12,317 is: 19,215.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895 : 12,317 = 12,317 : x
  2. Step 2: Convert to fraction form
    7,895/12,317 = 12,317/x
  3. Step 3: Cross multiply
    7,895x = 12,317 × 12,317
  4. Step 4: Simplify right side
    7,895x = 151,708,489
  5. Step 5: Solve for x
    x = 151,708,489/7,895
  6. Step 6: Final answer
    x = 19,215.77

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.