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Finding the Third Proportional to 101,140 and 145,682

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Solution

The third proportional to 101,140 and 145,682 is: 209,840.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,140 : 145,682 = 145,682 : x
  2. Step 2: Convert to fraction form
    101,140/145,682 = 145,682/x
  3. Step 3: Cross multiply
    101,140x = 145,682 × 145,682
  4. Step 4: Simplify right side
    101,140x = 21,223,245,124
  5. Step 5: Solve for x
    x = 21,223,245,124/101,140
  6. Step 6: Final answer
    x = 209,840.27

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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.