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Finding the Third Proportional to 53,619.75 and 114,360.75

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Solution

The third proportional to 53,619.75 and 114,360.75 is: 243,909.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,619.75 : 114,360.75 = 114,360.75 : x
  2. Step 2: Convert to fraction form
    53,619.75/114,360.75 = 114,360.75/x
  3. Step 3: Cross multiply
    53,619.75x = 114,360.75 × 114,360.75
  4. Step 4: Simplify right side
    53,619.75x = 13,078,381,140.56
  5. Step 5: Solve for x
    x = 13,078,381,140.56/53,619.75
  6. Step 6: Final answer
    x = 243,909.77

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.