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Finding the Third Proportional to 887,220 and 1,885,188

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Solution

The third proportional to 887,220 and 1,885,188 is: 4,005,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,220 : 1,885,188 = 1,885,188 : x
  2. Step 2: Convert to fraction form
    887,220/1,885,188 = 1,885,188/x
  3. Step 3: Cross multiply
    887,220x = 1,885,188 × 1,885,188
  4. Step 4: Simplify right side
    887,220x = 3,553,933,795,344
  5. Step 5: Solve for x
    x = 3,553,933,795,344/887,220
  6. Step 6: Final answer
    x = 4,005,696.21

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.