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Finding the Third Proportional to 56,444 and 122,620

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Solution

The third proportional to 56,444 and 122,620 is: 266,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,444 : 122,620 = 122,620 : x
  2. Step 2: Convert to fraction form
    56,444/122,620 = 122,620/x
  3. Step 3: Cross multiply
    56,444x = 122,620 × 122,620
  4. Step 4: Simplify right side
    56,444x = 15,035,664,400
  5. Step 5: Solve for x
    x = 15,035,664,400/56,444
  6. Step 6: Final answer
    x = 266,381.98

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.