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Finding the Third Proportional to 144,904 and 313,922

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Solution

The third proportional to 144,904 and 313,922 is: 680,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,904 : 313,922 = 313,922 : x
  2. Step 2: Convert to fraction form
    144,904/313,922 = 313,922/x
  3. Step 3: Cross multiply
    144,904x = 313,922 × 313,922
  4. Step 4: Simplify right side
    144,904x = 98,547,022,084
  5. Step 5: Solve for x
    x = 98,547,022,084/144,904
  6. Step 6: Final answer
    x = 680,084.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.