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Finding the Third Proportional to 143,644,616 and 222,877,209

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Solution

The third proportional to 143,644,616 and 222,877,209 is: 345,813,520.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,644,616 : 222,877,209 = 222,877,209 : x
  2. Step 2: Convert to fraction form
    143,644,616/222,877,209 = 222,877,209/x
  3. Step 3: Cross multiply
    143,644,616x = 222,877,209 × 222,877,209
  4. Step 4: Simplify right side
    143,644,616x = 49,674,250,291,629,680
  5. Step 5: Solve for x
    x = 49,674,250,291,629,680/143,644,616
  6. Step 6: Final answer
    x = 345,813,520.03

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.