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Finding the Third Proportional to 217,148 and 457,624

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Solution

The third proportional to 217,148 and 457,624 is: 964,410.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,148 : 457,624 = 457,624 : x
  2. Step 2: Convert to fraction form
    217,148/457,624 = 457,624/x
  3. Step 3: Cross multiply
    217,148x = 457,624 × 457,624
  4. Step 4: Simplify right side
    217,148x = 209,419,725,376
  5. Step 5: Solve for x
    x = 209,419,725,376/217,148
  6. Step 6: Final answer
    x = 964,410.10

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.