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Finding the Third Proportional to 187,018.50 and 400,827.75

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Solution

The third proportional to 187,018.50 and 400,827.75 is: 859,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,018.50 : 400,827.75 = 400,827.75 : x
  2. Step 2: Convert to fraction form
    187,018.50/400,827.75 = 400,827.75/x
  3. Step 3: Cross multiply
    187,018.50x = 400,827.75 × 400,827.75
  4. Step 4: Simplify right side
    187,018.50x = 160,662,885,170.06
  5. Step 5: Solve for x
    x = 160,662,885,170.06/187,018.50
  6. Step 6: Final answer
    x = 859,074.83

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.