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Finding the Third Proportional to 787,730 and 1,190,908

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Solution

The third proportional to 787,730 and 1,190,908 is: 1,800,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,730 : 1,190,908 = 1,190,908 : x
  2. Step 2: Convert to fraction form
    787,730/1,190,908 = 1,190,908/x
  3. Step 3: Cross multiply
    787,730x = 1,190,908 × 1,190,908
  4. Step 4: Simplify right side
    787,730x = 1,418,261,864,464
  5. Step 5: Solve for x
    x = 1,418,261,864,464/787,730
  6. Step 6: Final answer
    x = 1,800,441.60

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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.