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Finding the Third Proportional to 1,650 and 3,789

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Solution

The third proportional to 1,650 and 3,789 is: 8,700.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650 : 3,789 = 3,789 : x
  2. Step 2: Convert to fraction form
    1,650/3,789 = 3,789/x
  3. Step 3: Cross multiply
    1,650x = 3,789 × 3,789
  4. Step 4: Simplify right side
    1,650x = 14,356,521
  5. Step 5: Solve for x
    x = 14,356,521/1,650
  6. Step 6: Final answer
    x = 8,700.92

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.