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Finding the Third Proportional to 404,080 and 606,120

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Solution

The third proportional to 404,080 and 606,120 is: 909,180

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,080 : 606,120 = 606,120 : x
  2. Step 2: Convert to fraction form
    404,080/606,120 = 606,120/x
  3. Step 3: Cross multiply
    404,080x = 606,120 × 606,120
  4. Step 4: Simplify right side
    404,080x = 367,381,454,400
  5. Step 5: Solve for x
    x = 367,381,454,400/404,080
  6. Step 6: Final answer
    x = 909,180

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.