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Finding the Third Proportional to 485,336 and 734,792

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Solution

The third proportional to 485,336 and 734,792 is: 1,112,464.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,336 : 734,792 = 734,792 : x
  2. Step 2: Convert to fraction form
    485,336/734,792 = 734,792/x
  3. Step 3: Cross multiply
    485,336x = 734,792 × 734,792
  4. Step 4: Simplify right side
    485,336x = 539,919,283,264
  5. Step 5: Solve for x
    x = 539,919,283,264/485,336
  6. Step 6: Final answer
    x = 1,112,464.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.