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Finding the Third Proportional to 101,434 and 157,679

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Solution

The third proportional to 101,434 and 157,679 is: 245,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,434 : 157,679 = 157,679 : x
  2. Step 2: Convert to fraction form
    101,434/157,679 = 157,679/x
  3. Step 3: Cross multiply
    101,434x = 157,679 × 157,679
  4. Step 4: Simplify right side
    101,434x = 24,862,667,041
  5. Step 5: Solve for x
    x = 24,862,667,041/101,434
  6. Step 6: Final answer
    x = 245,111.77

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.