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Finding the Third Proportional to 153,446 and 328,212

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Solution

The third proportional to 153,446 and 328,212 is: 702,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,446 : 328,212 = 328,212 : x
  2. Step 2: Convert to fraction form
    153,446/328,212 = 328,212/x
  3. Step 3: Cross multiply
    153,446x = 328,212 × 328,212
  4. Step 4: Simplify right side
    153,446x = 107,723,116,944
  5. Step 5: Solve for x
    x = 107,723,116,944/153,446
  6. Step 6: Final answer
    x = 702,026.23

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.