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Finding the Third Proportional to 787,626 and 1,216,419.75

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Solution

The third proportional to 787,626 and 1,216,419.75 is: 1,878,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,626 : 1,216,419.75 = 1,216,419.75 : x
  2. Step 2: Convert to fraction form
    787,626/1,216,419.75 = 1,216,419.75/x
  3. Step 3: Cross multiply
    787,626x = 1,216,419.75 × 1,216,419.75
  4. Step 4: Simplify right side
    787,626x = 1,479,677,008,190.06
  5. Step 5: Solve for x
    x = 1,479,677,008,190.06/787,626
  6. Step 6: Final answer
    x = 1,878,654.35

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.