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Finding the Third Proportional to 3,891,348 and 6,216,368

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Solution

The third proportional to 3,891,348 and 6,216,368 is: 9,930,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891,348 : 6,216,368 = 6,216,368 : x
  2. Step 2: Convert to fraction form
    3,891,348/6,216,368 = 6,216,368/x
  3. Step 3: Cross multiply
    3,891,348x = 6,216,368 × 6,216,368
  4. Step 4: Simplify right side
    3,891,348x = 38,643,231,111,424
  5. Step 5: Solve for x
    x = 38,643,231,111,424/3,891,348
  6. Step 6: Final answer
    x = 9,930,551.34

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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.