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Finding the Third Proportional to 141,036 and 220,137

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Solution

The third proportional to 141,036 and 220,137 is: 343,602.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,036 : 220,137 = 220,137 : x
  2. Step 2: Convert to fraction form
    141,036/220,137 = 220,137/x
  3. Step 3: Cross multiply
    141,036x = 220,137 × 220,137
  4. Step 4: Simplify right side
    141,036x = 48,460,298,769
  5. Step 5: Solve for x
    x = 48,460,298,769/141,036
  6. Step 6: Final answer
    x = 343,602.33

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.