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Finding the Third Proportional to 141,206.50 and 220,146

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Solution

The third proportional to 141,206.50 and 220,146 is: 343,215.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,206.50 : 220,146 = 220,146 : x
  2. Step 2: Convert to fraction form
    141,206.50/220,146 = 220,146/x
  3. Step 3: Cross multiply
    141,206.50x = 220,146 × 220,146
  4. Step 4: Simplify right side
    141,206.50x = 48,464,261,316
  5. Step 5: Solve for x
    x = 48,464,261,316/141,206.50
  6. Step 6: Final answer
    x = 343,215.51

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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.