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Finding the Third Proportional to 69,218.63 and 103,827.75

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Solution

The third proportional to 69,218.63 and 103,827.75 is: 155,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,218.63 : 103,827.75 = 103,827.75 : x
  2. Step 2: Convert to fraction form
    69,218.63/103,827.75 = 103,827.75/x
  3. Step 3: Cross multiply
    69,218.63x = 103,827.75 × 103,827.75
  4. Step 4: Simplify right side
    69,218.63x = 10,780,201,670.06
  5. Step 5: Solve for x
    x = 10,780,201,670.06/69,218.63
  6. Step 6: Final answer
    x = 155,741.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.