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Finding the Third Proportional to 77,715.75 and 166,096.50

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Solution

The third proportional to 77,715.75 and 166,096.50 is: 354,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,715.75 : 166,096.50 = 166,096.50 : x
  2. Step 2: Convert to fraction form
    77,715.75/166,096.50 = 166,096.50/x
  3. Step 3: Cross multiply
    77,715.75x = 166,096.50 × 166,096.50
  4. Step 4: Simplify right side
    77,715.75x = 27,588,047,312.25
  5. Step 5: Solve for x
    x = 27,588,047,312.25/77,715.75
  6. Step 6: Final answer
    x = 354,986.57

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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.