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Finding the Third Proportional to 407.74 and 888.05

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Solution

The third proportional to 407.74 and 888.05 is: 1,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    407.74 : 888.05 = 888.05 : x
  2. Step 2: Convert to fraction form
    407.74/888.05 = 888.05/x
  3. Step 3: Cross multiply
    407.74x = 888.05 × 888.05
  4. Step 4: Simplify right side
    407.74x = 788,627.25
  5. Step 5: Solve for x
    x = 788,627.25/407.74
  6. Step 6: Final answer
    x = 1,934.13

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.