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Finding the Third Proportional to 3,891,360 and 6,216,386

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Solution

The third proportional to 3,891,360 and 6,216,386 is: 9,930,578.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891,360 : 6,216,386 = 6,216,386 : x
  2. Step 2: Convert to fraction form
    3,891,360/6,216,386 = 6,216,386/x
  3. Step 3: Cross multiply
    3,891,360x = 6,216,386 × 6,216,386
  4. Step 4: Simplify right side
    3,891,360x = 38,643,454,900,996
  5. Step 5: Solve for x
    x = 38,643,454,900,996/3,891,360
  6. Step 6: Final answer
    x = 9,930,578.23

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.