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Finding the Third Proportional to 86,877.56 and 190,361.81

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Solution

The third proportional to 86,877.56 and 190,361.81 is: 417,111.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,877.56 : 190,361.81 = 190,361.81 : x
  2. Step 2: Convert to fraction form
    86,877.56/190,361.81 = 190,361.81/x
  3. Step 3: Cross multiply
    86,877.56x = 190,361.81 × 190,361.81
  4. Step 4: Simplify right side
    86,877.56x = 36,237,619,658.29
  5. Step 5: Solve for x
    x = 36,237,619,658.29/86,877.56
  6. Step 6: Final answer
    x = 417,111.38

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.