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Finding the Third Proportional to 625,690 and 1,375,792

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Solution

The third proportional to 625,690 and 1,375,792 is: 3,025,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,690 : 1,375,792 = 1,375,792 : x
  2. Step 2: Convert to fraction form
    625,690/1,375,792 = 1,375,792/x
  3. Step 3: Cross multiply
    625,690x = 1,375,792 × 1,375,792
  4. Step 4: Simplify right side
    625,690x = 1,892,803,627,264
  5. Step 5: Solve for x
    x = 1,892,803,627,264/625,690
  6. Step 6: Final answer
    x = 3,025,146.04

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.