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Finding the Third Proportional to 289,058 and 454,043

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Solution

The third proportional to 289,058 and 454,043 is: 713,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,058 : 454,043 = 454,043 : x
  2. Step 2: Convert to fraction form
    289,058/454,043 = 454,043/x
  3. Step 3: Cross multiply
    289,058x = 454,043 × 454,043
  4. Step 4: Simplify right side
    289,058x = 206,155,045,849
  5. Step 5: Solve for x
    x = 206,155,045,849/289,058
  6. Step 6: Final answer
    x = 713,196.13

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.