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Finding the Third Proportional to 781,051 and 1,583,831

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Solution

The third proportional to 781,051 and 1,583,831 is: 3,211,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,051 : 1,583,831 = 1,583,831 : x
  2. Step 2: Convert to fraction form
    781,051/1,583,831 = 1,583,831/x
  3. Step 3: Cross multiply
    781,051x = 1,583,831 × 1,583,831
  4. Step 4: Simplify right side
    781,051x = 2,508,520,636,561
  5. Step 5: Solve for x
    x = 2,508,520,636,561/781,051
  6. Step 6: Final answer
    x = 3,211,724.51

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.