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Finding the Third Proportional to 566.25 and 840.75

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Solution

The third proportional to 566.25 and 840.75 is: 1,248.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.25 : 840.75 = 840.75 : x
  2. Step 2: Convert to fraction form
    566.25/840.75 = 840.75/x
  3. Step 3: Cross multiply
    566.25x = 840.75 × 840.75
  4. Step 4: Simplify right side
    566.25x = 706,860.56
  5. Step 5: Solve for x
    x = 706,860.56/566.25
  6. Step 6: Final answer
    x = 1,248.32

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.