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Finding the Third Proportional to 722,478 and 1,125,078

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Solution

The third proportional to 722,478 and 1,125,078 is: 1,752,026.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,478 : 1,125,078 = 1,125,078 : x
  2. Step 2: Convert to fraction form
    722,478/1,125,078 = 1,125,078/x
  3. Step 3: Cross multiply
    722,478x = 1,125,078 × 1,125,078
  4. Step 4: Simplify right side
    722,478x = 1,265,800,506,084
  5. Step 5: Solve for x
    x = 1,265,800,506,084/722,478
  6. Step 6: Final answer
    x = 1,752,026.37

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.