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Finding the Third Proportional to 1,121,479 and 2,432,255

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Solution

The third proportional to 1,121,479 and 2,432,255 is: 5,275,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,479 : 2,432,255 = 2,432,255 : x
  2. Step 2: Convert to fraction form
    1,121,479/2,432,255 = 2,432,255/x
  3. Step 3: Cross multiply
    1,121,479x = 2,432,255 × 2,432,255
  4. Step 4: Simplify right side
    1,121,479x = 5,915,864,385,025
  5. Step 5: Solve for x
    x = 5,915,864,385,025/1,121,479
  6. Step 6: Final answer
    x = 5,275,055.87

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.