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Finding the Third Proportional to 804.25 and 1,244.50

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Solution

The third proportional to 804.25 and 1,244.50 is: 1,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    804.25 : 1,244.50 = 1,244.50 : x
  2. Step 2: Convert to fraction form
    804.25/1,244.50 = 1,244.50/x
  3. Step 3: Cross multiply
    804.25x = 1,244.50 × 1,244.50
  4. Step 4: Simplify right side
    804.25x = 1,548,780.25
  5. Step 5: Solve for x
    x = 1,548,780.25/804.25
  6. Step 6: Final answer
    x = 1,925.74

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.