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Finding the Third Proportional to 2,385 and 3,486

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Solution

The third proportional to 2,385 and 3,486 is: 5,095.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385 : 3,486 = 3,486 : x
  2. Step 2: Convert to fraction form
    2,385/3,486 = 3,486/x
  3. Step 3: Cross multiply
    2,385x = 3,486 × 3,486
  4. Step 4: Simplify right side
    2,385x = 12,152,196
  5. Step 5: Solve for x
    x = 12,152,196/2,385
  6. Step 6: Final answer
    x = 5,095.26

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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.