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Finding the Third Proportional to 425.63 and 901.88

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Solution

The third proportional to 425.63 and 901.88 is: 1,911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    425.63 : 901.88 = 901.88 : x
  2. Step 2: Convert to fraction form
    425.63/901.88 = 901.88/x
  3. Step 3: Cross multiply
    425.63x = 901.88 × 901.88
  4. Step 4: Simplify right side
    425.63x = 813,378.52
  5. Step 5: Solve for x
    x = 813,378.52/425.63
  6. Step 6: Final answer
    x = 1,911.02

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.