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Finding the Third Proportional to 55,527.19 and 79,137.28

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Solution

The third proportional to 55,527.19 and 79,137.28 is: 112,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,527.19 : 79,137.28 = 79,137.28 : x
  2. Step 2: Convert to fraction form
    55,527.19/79,137.28 = 79,137.28/x
  3. Step 3: Cross multiply
    55,527.19x = 79,137.28 × 79,137.28
  4. Step 4: Simplify right side
    55,527.19x = 6,262,709,283.64
  5. Step 5: Solve for x
    x = 6,262,709,283.64/55,527.19
  6. Step 6: Final answer
    x = 112,786.36

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.