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Finding the Third Proportional to 277.56 and 410.94

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Solution

The third proportional to 277.56 and 410.94 is: 608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.56 : 410.94 = 410.94 : x
  2. Step 2: Convert to fraction form
    277.56/410.94 = 410.94/x
  3. Step 3: Cross multiply
    277.56x = 410.94 × 410.94
  4. Step 4: Simplify right side
    277.56x = 168,869.63
  5. Step 5: Solve for x
    x = 168,869.63/277.56
  6. Step 6: Final answer
    x = 608.40

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.