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Finding the Third Proportional to 908,928 and 1,422,720

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Solution

The third proportional to 908,928 and 1,422,720 is: 2,226,944.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,928 : 1,422,720 = 1,422,720 : x
  2. Step 2: Convert to fraction form
    908,928/1,422,720 = 1,422,720/x
  3. Step 3: Cross multiply
    908,928x = 1,422,720 × 1,422,720
  4. Step 4: Simplify right side
    908,928x = 2,024,132,198,400
  5. Step 5: Solve for x
    x = 2,024,132,198,400/908,928
  6. Step 6: Final answer
    x = 2,226,944.49

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.