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Finding the Third Proportional to 451,432 and 970,832

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Solution

The third proportional to 451,432 and 970,832 is: 2,087,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,432 : 970,832 = 970,832 : x
  2. Step 2: Convert to fraction form
    451,432/970,832 = 970,832/x
  3. Step 3: Cross multiply
    451,432x = 970,832 × 970,832
  4. Step 4: Simplify right side
    451,432x = 942,514,772,224
  5. Step 5: Solve for x
    x = 942,514,772,224/451,432
  6. Step 6: Final answer
    x = 2,087,833.32

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.