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Finding the Third Proportional to 7,840 and 9,232

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Solution

The third proportional to 7,840 and 9,232 is: 10,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840 : 9,232 = 9,232 : x
  2. Step 2: Convert to fraction form
    7,840/9,232 = 9,232/x
  3. Step 3: Cross multiply
    7,840x = 9,232 × 9,232
  4. Step 4: Simplify right side
    7,840x = 85,229,824
  5. Step 5: Solve for x
    x = 85,229,824/7,840
  6. Step 6: Final answer
    x = 10,871.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.