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Finding the Third Proportional to 333,940 and 488,922

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Solution

The third proportional to 333,940 and 488,922 is: 715,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,940 : 488,922 = 488,922 : x
  2. Step 2: Convert to fraction form
    333,940/488,922 = 488,922/x
  3. Step 3: Cross multiply
    333,940x = 488,922 × 488,922
  4. Step 4: Simplify right side
    333,940x = 239,044,722,084
  5. Step 5: Solve for x
    x = 239,044,722,084/333,940
  6. Step 6: Final answer
    x = 715,831.35

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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.