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Finding the Third Proportional to 314 and 469

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Solution

The third proportional to 314 and 469 is: 700.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    314 : 469 = 469 : x
  2. Step 2: Convert to fraction form
    314/469 = 469/x
  3. Step 3: Cross multiply
    314x = 469 × 469
  4. Step 4: Simplify right side
    314x = 219,961
  5. Step 5: Solve for x
    x = 219,961/314
  6. Step 6: Final answer
    x = 700.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.