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Finding the Third Proportional to 67,752 and 148,911

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Solution

The third proportional to 67,752 and 148,911 is: 327,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,752 : 148,911 = 148,911 : x
  2. Step 2: Convert to fraction form
    67,752/148,911 = 148,911/x
  3. Step 3: Cross multiply
    67,752x = 148,911 × 148,911
  4. Step 4: Simplify right side
    67,752x = 22,174,485,921
  5. Step 5: Solve for x
    x = 22,174,485,921/67,752
  6. Step 6: Final answer
    x = 327,289.02

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.