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Finding the Third Proportional to 1,398,479.50 and 3,062,720

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Solution

The third proportional to 1,398,479.50 and 3,062,720 is: 6,707,466.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,479.50 : 3,062,720 = 3,062,720 : x
  2. Step 2: Convert to fraction form
    1,398,479.50/3,062,720 = 3,062,720/x
  3. Step 3: Cross multiply
    1,398,479.50x = 3,062,720 × 3,062,720
  4. Step 4: Simplify right side
    1,398,479.50x = 9,380,253,798,400
  5. Step 5: Solve for x
    x = 9,380,253,798,400/1,398,479.50
  6. Step 6: Final answer
    x = 6,707,466.07

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.