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Finding the Third Proportional to 143,675,789.63 and 221,976,679.50

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Solution

The third proportional to 143,675,789.63 and 221,976,679.50 is: 342,950,237.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,675,789.63 : 221,976,679.50 = 221,976,679.50 : x
  2. Step 2: Convert to fraction form
    143,675,789.63/221,976,679.50 = 221,976,679.50/x
  3. Step 3: Cross multiply
    143,675,789.63x = 221,976,679.50 × 221,976,679.50
  4. Step 4: Simplify right side
    143,675,789.63x = 49,273,646,241,845,720
  5. Step 5: Solve for x
    x = 49,273,646,241,845,720/143,675,789.63
  6. Step 6: Final answer
    x = 342,950,237.97

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.