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Finding the Third Proportional to 86,055.75 and 132,931.13

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Solution

The third proportional to 86,055.75 and 132,931.13 is: 205,339.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,055.75 : 132,931.13 = 132,931.13 : x
  2. Step 2: Convert to fraction form
    86,055.75/132,931.13 = 132,931.13/x
  3. Step 3: Cross multiply
    86,055.75x = 132,931.13 × 132,931.13
  4. Step 4: Simplify right side
    86,055.75x = 17,670,683,993.77
  5. Step 5: Solve for x
    x = 17,670,683,993.77/86,055.75
  6. Step 6: Final answer
    x = 205,339.96

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.