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Finding the Third Proportional to 6,264 and 9,140

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Solution

The third proportional to 6,264 and 9,140 is: 13,336.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,264 : 9,140 = 9,140 : x
  2. Step 2: Convert to fraction form
    6,264/9,140 = 9,140/x
  3. Step 3: Cross multiply
    6,264x = 9,140 × 9,140
  4. Step 4: Simplify right side
    6,264x = 83,539,600
  5. Step 5: Solve for x
    x = 83,539,600/6,264
  6. Step 6: Final answer
    x = 13,336.46

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.