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Finding the Third Proportional to 120,626 and 183,435

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Solution

The third proportional to 120,626 and 183,435 is: 278,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,626 : 183,435 = 183,435 : x
  2. Step 2: Convert to fraction form
    120,626/183,435 = 183,435/x
  3. Step 3: Cross multiply
    120,626x = 183,435 × 183,435
  4. Step 4: Simplify right side
    120,626x = 33,648,399,225
  5. Step 5: Solve for x
    x = 33,648,399,225/120,626
  6. Step 6: Final answer
    x = 278,948.15

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.