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Finding the Third Proportional to 213,590 and 454,788

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Solution

The third proportional to 213,590 and 454,788 is: 968,360.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,590 : 454,788 = 454,788 : x
  2. Step 2: Convert to fraction form
    213,590/454,788 = 454,788/x
  3. Step 3: Cross multiply
    213,590x = 454,788 × 454,788
  4. Step 4: Simplify right side
    213,590x = 206,832,124,944
  5. Step 5: Solve for x
    x = 206,832,124,944/213,590
  6. Step 6: Final answer
    x = 968,360.53

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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.