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Finding the Third Proportional to 124,740 and 266,976

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Solution

The third proportional to 124,740 and 266,976 is: 571,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,740 : 266,976 = 266,976 : x
  2. Step 2: Convert to fraction form
    124,740/266,976 = 266,976/x
  3. Step 3: Cross multiply
    124,740x = 266,976 × 266,976
  4. Step 4: Simplify right side
    124,740x = 71,276,184,576
  5. Step 5: Solve for x
    x = 71,276,184,576/124,740
  6. Step 6: Final answer
    x = 571,397.98

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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.