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Finding the Third Proportional to 434.63 and 887.25

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Solution

The third proportional to 434.63 and 887.25 is: 1,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.63 : 887.25 = 887.25 : x
  2. Step 2: Convert to fraction form
    434.63/887.25 = 887.25/x
  3. Step 3: Cross multiply
    434.63x = 887.25 × 887.25
  4. Step 4: Simplify right side
    434.63x = 787,212.56
  5. Step 5: Solve for x
    x = 787,212.56/434.63
  6. Step 6: Final answer
    x = 1,811.25

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.