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Finding the Third Proportional to 906.75 and 1,330.88

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Solution

The third proportional to 906.75 and 1,330.88 is: 1,953.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    906.75 : 1,330.88 = 1,330.88 : x
  2. Step 2: Convert to fraction form
    906.75/1,330.88 = 1,330.88/x
  3. Step 3: Cross multiply
    906.75x = 1,330.88 × 1,330.88
  4. Step 4: Simplify right side
    906.75x = 1,771,228.27
  5. Step 5: Solve for x
    x = 1,771,228.27/906.75
  6. Step 6: Final answer
    x = 1,953.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.