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Finding the Third Proportional to 143,644,620 and 222,877,215

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Solution

The third proportional to 143,644,620 and 222,877,215 is: 345,813,529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,644,620 : 222,877,215 = 222,877,215 : x
  2. Step 2: Convert to fraction form
    143,644,620/222,877,215 = 222,877,215/x
  3. Step 3: Cross multiply
    143,644,620x = 222,877,215 × 222,877,215
  4. Step 4: Simplify right side
    143,644,620x = 49,674,252,966,156,224
  5. Step 5: Solve for x
    x = 49,674,252,966,156,224/143,644,620
  6. Step 6: Final answer
    x = 345,813,529.01

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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.