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Finding the Third Proportional to 56,133 and 122,817

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Solution

The third proportional to 56,133 and 122,817 is: 268,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,133 : 122,817 = 122,817 : x
  2. Step 2: Convert to fraction form
    56,133/122,817 = 122,817/x
  3. Step 3: Cross multiply
    56,133x = 122,817 × 122,817
  4. Step 4: Simplify right side
    56,133x = 15,084,015,489
  5. Step 5: Solve for x
    x = 15,084,015,489/56,133
  6. Step 6: Final answer
    x = 268,719.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.