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Finding the Third Proportional to 407,970 and 888,522

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Solution

The third proportional to 407,970 and 888,522 is: 1,935,121.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,970 : 888,522 = 888,522 : x
  2. Step 2: Convert to fraction form
    407,970/888,522 = 888,522/x
  3. Step 3: Cross multiply
    407,970x = 888,522 × 888,522
  4. Step 4: Simplify right side
    407,970x = 789,471,344,484
  5. Step 5: Solve for x
    x = 789,471,344,484/407,970
  6. Step 6: Final answer
    x = 1,935,121.07

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.