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Finding the Third Proportional to 3,046 and 4,315

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Solution

The third proportional to 3,046 and 4,315 is: 6,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046 : 4,315 = 4,315 : x
  2. Step 2: Convert to fraction form
    3,046/4,315 = 4,315/x
  3. Step 3: Cross multiply
    3,046x = 4,315 × 4,315
  4. Step 4: Simplify right side
    3,046x = 18,619,225
  5. Step 5: Solve for x
    x = 18,619,225/3,046
  6. Step 6: Final answer
    x = 6,112.68

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.