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Finding the Third Proportional to 313,448 and 457,044

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Solution

The third proportional to 313,448 and 457,044 is: 666,423.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,448 : 457,044 = 457,044 : x
  2. Step 2: Convert to fraction form
    313,448/457,044 = 457,044/x
  3. Step 3: Cross multiply
    313,448x = 457,044 × 457,044
  4. Step 4: Simplify right side
    313,448x = 208,889,217,936
  5. Step 5: Solve for x
    x = 208,889,217,936/313,448
  6. Step 6: Final answer
    x = 666,423.83

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.