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Finding the Third Proportional to 56,803.75 and 123,009.75

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Solution

The third proportional to 56,803.75 and 123,009.75 is: 266,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,803.75 : 123,009.75 = 123,009.75 : x
  2. Step 2: Convert to fraction form
    56,803.75/123,009.75 = 123,009.75/x
  3. Step 3: Cross multiply
    56,803.75x = 123,009.75 × 123,009.75
  4. Step 4: Simplify right side
    56,803.75x = 15,131,398,595.06
  5. Step 5: Solve for x
    x = 15,131,398,595.06/56,803.75
  6. Step 6: Final answer
    x = 266,380.28

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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.