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Finding the Third Proportional to 900,428 and 2,125,496

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Solution

The third proportional to 900,428 and 2,125,496 is: 5,017,317.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,428 : 2,125,496 = 2,125,496 : x
  2. Step 2: Convert to fraction form
    900,428/2,125,496 = 2,125,496/x
  3. Step 3: Cross multiply
    900,428x = 2,125,496 × 2,125,496
  4. Step 4: Simplify right side
    900,428x = 4,517,733,246,016
  5. Step 5: Solve for x
    x = 4,517,733,246,016/900,428
  6. Step 6: Final answer
    x = 5,017,317.59

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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.