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Finding the Third Proportional to 484 and 569.50

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Solution

The third proportional to 484 and 569.50 is: 670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    484 : 569.50 = 569.50 : x
  2. Step 2: Convert to fraction form
    484/569.50 = 569.50/x
  3. Step 3: Cross multiply
    484x = 569.50 × 569.50
  4. Step 4: Simplify right side
    484x = 324,330.25
  5. Step 5: Solve for x
    x = 324,330.25/484
  6. Step 6: Final answer
    x = 670.10

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.