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Finding the Third Proportional to 14,640 and 35,385

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Solution

The third proportional to 14,640 and 35,385 is: 85,525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640 : 35,385 = 35,385 : x
  2. Step 2: Convert to fraction form
    14,640/35,385 = 35,385/x
  3. Step 3: Cross multiply
    14,640x = 35,385 × 35,385
  4. Step 4: Simplify right side
    14,640x = 1,252,098,225
  5. Step 5: Solve for x
    x = 1,252,098,225/14,640
  6. Step 6: Final answer
    x = 85,525.84

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.