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Finding the Third Proportional to 726,231 and 1,595,781

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Solution

The third proportional to 726,231 and 1,595,781 is: 3,506,483.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,231 : 1,595,781 = 1,595,781 : x
  2. Step 2: Convert to fraction form
    726,231/1,595,781 = 1,595,781/x
  3. Step 3: Cross multiply
    726,231x = 1,595,781 × 1,595,781
  4. Step 4: Simplify right side
    726,231x = 2,546,516,999,961
  5. Step 5: Solve for x
    x = 2,546,516,999,961/726,231
  6. Step 6: Final answer
    x = 3,506,483.47

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.