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Finding the Third Proportional to 56,483 and 122,803

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Solution

The third proportional to 56,483 and 122,803 is: 266,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,483 : 122,803 = 122,803 : x
  2. Step 2: Convert to fraction form
    56,483/122,803 = 122,803/x
  3. Step 3: Cross multiply
    56,483x = 122,803 × 122,803
  4. Step 4: Simplify right side
    56,483x = 15,080,576,809
  5. Step 5: Solve for x
    x = 15,080,576,809/56,483
  6. Step 6: Final answer
    x = 266,993.20

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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.