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Finding the Third Proportional to 563 and 899.25

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Solution

The third proportional to 563 and 899.25 is: 1,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    563 : 899.25 = 899.25 : x
  2. Step 2: Convert to fraction form
    563/899.25 = 899.25/x
  3. Step 3: Cross multiply
    563x = 899.25 × 899.25
  4. Step 4: Simplify right side
    563x = 808,650.56
  5. Step 5: Solve for x
    x = 808,650.56/563
  6. Step 6: Final answer
    x = 1,436.32

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.