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Finding the Third Proportional to 84,177 and 187,038.75

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Solution

The third proportional to 84,177 and 187,038.75 is: 415,594.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,177 : 187,038.75 = 187,038.75 : x
  2. Step 2: Convert to fraction form
    84,177/187,038.75 = 187,038.75/x
  3. Step 3: Cross multiply
    84,177x = 187,038.75 × 187,038.75
  4. Step 4: Simplify right side
    84,177x = 34,983,494,001.56
  5. Step 5: Solve for x
    x = 34,983,494,001.56/84,177
  6. Step 6: Final answer
    x = 415,594.45

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.