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Finding the Third Proportional to 94,128.75 and 143,398.88

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Solution

The third proportional to 94,128.75 and 143,398.88 is: 218,458.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,128.75 : 143,398.88 = 143,398.88 : x
  2. Step 2: Convert to fraction form
    94,128.75/143,398.88 = 143,398.88/x
  3. Step 3: Cross multiply
    94,128.75x = 143,398.88 × 143,398.88
  4. Step 4: Simplify right side
    94,128.75x = 20,563,237,351.27
  5. Step 5: Solve for x
    x = 20,563,237,351.27/94,128.75
  6. Step 6: Final answer
    x = 218,458.63

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.