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Finding the Third Proportional to 169,505 and 230,207

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Solution

The third proportional to 169,505 and 230,207 is: 312,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,505 : 230,207 = 230,207 : x
  2. Step 2: Convert to fraction form
    169,505/230,207 = 230,207/x
  3. Step 3: Cross multiply
    169,505x = 230,207 × 230,207
  4. Step 4: Simplify right side
    169,505x = 52,995,262,849
  5. Step 5: Solve for x
    x = 52,995,262,849/169,505
  6. Step 6: Final answer
    x = 312,647.20

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.