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Finding the Third Proportional to 1,987,257 and 4,310,583

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Solution

The third proportional to 1,987,257 and 4,310,583 is: 9,350,137.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,257 : 4,310,583 = 4,310,583 : x
  2. Step 2: Convert to fraction form
    1,987,257/4,310,583 = 4,310,583/x
  3. Step 3: Cross multiply
    1,987,257x = 4,310,583 × 4,310,583
  4. Step 4: Simplify right side
    1,987,257x = 18,581,125,799,889
  5. Step 5: Solve for x
    x = 18,581,125,799,889/1,987,257
  6. Step 6: Final answer
    x = 9,350,137.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.