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Finding the Third Proportional to 72,853 and 110,791

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Solution

The third proportional to 72,853 and 110,791 is: 168,485.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,853 : 110,791 = 110,791 : x
  2. Step 2: Convert to fraction form
    72,853/110,791 = 110,791/x
  3. Step 3: Cross multiply
    72,853x = 110,791 × 110,791
  4. Step 4: Simplify right side
    72,853x = 12,274,645,681
  5. Step 5: Solve for x
    x = 12,274,645,681/72,853
  6. Step 6: Final answer
    x = 168,485.11

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.