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Finding the Third Proportional to 587,157 and 1,276,338

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Solution

The third proportional to 587,157 and 1,276,338 is: 2,774,451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,157 : 1,276,338 = 1,276,338 : x
  2. Step 2: Convert to fraction form
    587,157/1,276,338 = 1,276,338/x
  3. Step 3: Cross multiply
    587,157x = 1,276,338 × 1,276,338
  4. Step 4: Simplify right side
    587,157x = 1,629,038,690,244
  5. Step 5: Solve for x
    x = 1,629,038,690,244/587,157
  6. Step 6: Final answer
    x = 2,774,451.62

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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.