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Finding the Third Proportional to 124,622 and 266,742

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Solution

The third proportional to 124,622 and 266,742 is: 570,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,622 : 266,742 = 266,742 : x
  2. Step 2: Convert to fraction form
    124,622/266,742 = 266,742/x
  3. Step 3: Cross multiply
    124,622x = 266,742 × 266,742
  4. Step 4: Simplify right side
    124,622x = 71,151,294,564
  5. Step 5: Solve for x
    x = 71,151,294,564/124,622
  6. Step 6: Final answer
    x = 570,936.87

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.