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Finding the Third Proportional to 66,911 and 96,174.50

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Solution

The third proportional to 66,911 and 96,174.50 is: 138,236.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,911 : 96,174.50 = 96,174.50 : x
  2. Step 2: Convert to fraction form
    66,911/96,174.50 = 96,174.50/x
  3. Step 3: Cross multiply
    66,911x = 96,174.50 × 96,174.50
  4. Step 4: Simplify right side
    66,911x = 9,249,534,450.25
  5. Step 5: Solve for x
    x = 9,249,534,450.25/66,911
  6. Step 6: Final answer
    x = 138,236.38

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.