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Finding the Third Proportional to 144,821 and 202,318.50

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Solution

The third proportional to 144,821 and 202,318.50 is: 282,643.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,821 : 202,318.50 = 202,318.50 : x
  2. Step 2: Convert to fraction form
    144,821/202,318.50 = 202,318.50/x
  3. Step 3: Cross multiply
    144,821x = 202,318.50 × 202,318.50
  4. Step 4: Simplify right side
    144,821x = 40,932,775,442.25
  5. Step 5: Solve for x
    x = 40,932,775,442.25/144,821
  6. Step 6: Final answer
    x = 282,643.92

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.