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Finding the Third Proportional to 7,584 and 10,840

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Solution

The third proportional to 7,584 and 10,840 is: 15,493.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584 : 10,840 = 10,840 : x
  2. Step 2: Convert to fraction form
    7,584/10,840 = 10,840/x
  3. Step 3: Cross multiply
    7,584x = 10,840 × 10,840
  4. Step 4: Simplify right side
    7,584x = 117,505,600
  5. Step 5: Solve for x
    x = 117,505,600/7,584
  6. Step 6: Final answer
    x = 15,493.88

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.