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Finding the Third Proportional to 73,785.38 and 163,075.50

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Solution

The third proportional to 73,785.38 and 163,075.50 is: 360,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,785.38 : 163,075.50 = 163,075.50 : x
  2. Step 2: Convert to fraction form
    73,785.38/163,075.50 = 163,075.50/x
  3. Step 3: Cross multiply
    73,785.38x = 163,075.50 × 163,075.50
  4. Step 4: Simplify right side
    73,785.38x = 26,593,618,700.25
  5. Step 5: Solve for x
    x = 26,593,618,700.25/73,785.38
  6. Step 6: Final answer
    x = 360,418.56

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.