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Finding the Third Proportional to 572.50 and 898

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Solution

The third proportional to 572.50 and 898 is: 1,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.50 : 898 = 898 : x
  2. Step 2: Convert to fraction form
    572.50/898 = 898/x
  3. Step 3: Cross multiply
    572.50x = 898 × 898
  4. Step 4: Simplify right side
    572.50x = 806,404
  5. Step 5: Solve for x
    x = 806,404/572.50
  6. Step 6: Final answer
    x = 1,408.57

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.