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Finding the Third Proportional to 7,913 and 9,125

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Solution

The third proportional to 7,913 and 9,125 is: 10,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913 : 9,125 = 9,125 : x
  2. Step 2: Convert to fraction form
    7,913/9,125 = 9,125/x
  3. Step 3: Cross multiply
    7,913x = 9,125 × 9,125
  4. Step 4: Simplify right side
    7,913x = 83,265,625
  5. Step 5: Solve for x
    x = 83,265,625/7,913
  6. Step 6: Final answer
    x = 10,522.64

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.