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Finding the Third Proportional to 213,617.25 and 454,842

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Solution

The third proportional to 213,617.25 and 454,842 is: 968,466.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,617.25 : 454,842 = 454,842 : x
  2. Step 2: Convert to fraction form
    213,617.25/454,842 = 454,842/x
  3. Step 3: Cross multiply
    213,617.25x = 454,842 × 454,842
  4. Step 4: Simplify right side
    213,617.25x = 206,881,244,964
  5. Step 5: Solve for x
    x = 206,881,244,964/213,617.25
  6. Step 6: Final answer
    x = 968,466.94

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.