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Finding the Third Proportional to 468,844 and 726,432

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Solution

The third proportional to 468,844 and 726,432 is: 1,125,541.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,844 : 726,432 = 726,432 : x
  2. Step 2: Convert to fraction form
    468,844/726,432 = 726,432/x
  3. Step 3: Cross multiply
    468,844x = 726,432 × 726,432
  4. Step 4: Simplify right side
    468,844x = 527,703,450,624
  5. Step 5: Solve for x
    x = 527,703,450,624/468,844
  6. Step 6: Final answer
    x = 1,125,541.65

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.