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Finding the Third Proportional to 217,088 and 444,928

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Solution

The third proportional to 217,088 and 444,928 is: 911,892.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,088 : 444,928 = 444,928 : x
  2. Step 2: Convert to fraction form
    217,088/444,928 = 444,928/x
  3. Step 3: Cross multiply
    217,088x = 444,928 × 444,928
  4. Step 4: Simplify right side
    217,088x = 197,960,925,184
  5. Step 5: Solve for x
    x = 197,960,925,184/217,088
  6. Step 6: Final answer
    x = 911,892.53

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.