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Finding the Third Proportional to 913,396 and 1,276,983

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Solution

The third proportional to 913,396 and 1,276,983 is: 1,785,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,396 : 1,276,983 = 1,276,983 : x
  2. Step 2: Convert to fraction form
    913,396/1,276,983 = 1,276,983/x
  3. Step 3: Cross multiply
    913,396x = 1,276,983 × 1,276,983
  4. Step 4: Simplify right side
    913,396x = 1,630,685,582,289
  5. Step 5: Solve for x
    x = 1,630,685,582,289/913,396
  6. Step 6: Final answer
    x = 1,785,299.68

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.