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Finding the Third Proportional to 187,116.75 and 401,024.25

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Solution

The third proportional to 187,116.75 and 401,024.25 is: 859,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,116.75 : 401,024.25 = 401,024.25 : x
  2. Step 2: Convert to fraction form
    187,116.75/401,024.25 = 401,024.25/x
  3. Step 3: Cross multiply
    187,116.75x = 401,024.25 × 401,024.25
  4. Step 4: Simplify right side
    187,116.75x = 160,820,449,088.06
  5. Step 5: Solve for x
    x = 160,820,449,088.06/187,116.75
  6. Step 6: Final answer
    x = 859,465.81

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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.