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Finding the Third Proportional to 6,440 and 11,584

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Solution

The third proportional to 6,440 and 11,584 is: 20,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440 : 11,584 = 11,584 : x
  2. Step 2: Convert to fraction form
    6,440/11,584 = 11,584/x
  3. Step 3: Cross multiply
    6,440x = 11,584 × 11,584
  4. Step 4: Simplify right side
    6,440x = 134,189,056
  5. Step 5: Solve for x
    x = 134,189,056/6,440
  6. Step 6: Final answer
    x = 20,836.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.