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Finding the Third Proportional to 158,476.50 and 215,844.75

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Solution

The third proportional to 158,476.50 and 215,844.75 is: 293,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,476.50 : 215,844.75 = 215,844.75 : x
  2. Step 2: Convert to fraction form
    158,476.50/215,844.75 = 215,844.75/x
  3. Step 3: Cross multiply
    158,476.50x = 215,844.75 × 215,844.75
  4. Step 4: Simplify right side
    158,476.50x = 46,588,956,102.56
  5. Step 5: Solve for x
    x = 46,588,956,102.56/158,476.50
  6. Step 6: Final answer
    x = 293,980.22

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.