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Finding the Third Proportional to 141,709.50 and 216,330.75

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Solution

The third proportional to 141,709.50 and 216,330.75 is: 330,245.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,709.50 : 216,330.75 = 216,330.75 : x
  2. Step 2: Convert to fraction form
    141,709.50/216,330.75 = 216,330.75/x
  3. Step 3: Cross multiply
    141,709.50x = 216,330.75 × 216,330.75
  4. Step 4: Simplify right side
    141,709.50x = 46,798,993,395.56
  5. Step 5: Solve for x
    x = 46,798,993,395.56/141,709.50
  6. Step 6: Final answer
    x = 330,245.98

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.