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Finding the Third Proportional to 1,418,691 and 2,142,748.50

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Solution

The third proportional to 1,418,691 and 2,142,748.50 is: 3,236,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,691 : 2,142,748.50 = 2,142,748.50 : x
  2. Step 2: Convert to fraction form
    1,418,691/2,142,748.50 = 2,142,748.50/x
  3. Step 3: Cross multiply
    1,418,691x = 2,142,748.50 × 2,142,748.50
  4. Step 4: Simplify right side
    1,418,691x = 4,591,371,134,252.25
  5. Step 5: Solve for x
    x = 4,591,371,134,252.25/1,418,691
  6. Step 6: Final answer
    x = 3,236,343.32

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.