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Finding the Third Proportional to 900,422 and 2,125,482

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Solution

The third proportional to 900,422 and 2,125,482 is: 5,017,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,422 : 2,125,482 = 2,125,482 : x
  2. Step 2: Convert to fraction form
    900,422/2,125,482 = 2,125,482/x
  3. Step 3: Cross multiply
    900,422x = 2,125,482 × 2,125,482
  4. Step 4: Simplify right side
    900,422x = 4,517,673,732,324
  5. Step 5: Solve for x
    x = 4,517,673,732,324/900,422
  6. Step 6: Final answer
    x = 5,017,284.93

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.