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Finding the Third Proportional to 89,828 and 130,791

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Solution

The third proportional to 89,828 and 130,791 is: 190,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,828 : 130,791 = 130,791 : x
  2. Step 2: Convert to fraction form
    89,828/130,791 = 130,791/x
  3. Step 3: Cross multiply
    89,828x = 130,791 × 130,791
  4. Step 4: Simplify right side
    89,828x = 17,106,285,681
  5. Step 5: Solve for x
    x = 17,106,285,681/89,828
  6. Step 6: Final answer
    x = 190,433.78

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.