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Finding the Third Proportional to 124.03 and 277.03

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Solution

The third proportional to 124.03 and 277.03 is: 618.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.03 : 277.03 = 277.03 : x
  2. Step 2: Convert to fraction form
    124.03/277.03 = 277.03/x
  3. Step 3: Cross multiply
    124.03x = 277.03 × 277.03
  4. Step 4: Simplify right side
    124.03x = 76,746.31
  5. Step 5: Solve for x
    x = 76,746.31/124.03
  6. Step 6: Final answer
    x = 618.77

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.