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Finding the Third Proportional to 143,644,590 and 222,877,170

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Solution

The third proportional to 143,644,590 and 222,877,170 is: 345,813,461.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,644,590 : 222,877,170 = 222,877,170 : x
  2. Step 2: Convert to fraction form
    143,644,590/222,877,170 = 222,877,170/x
  3. Step 3: Cross multiply
    143,644,590x = 222,877,170 × 222,877,170
  4. Step 4: Simplify right side
    143,644,590x = 49,674,232,907,208,896
  5. Step 5: Solve for x
    x = 49,674,232,907,208,896/143,644,590
  6. Step 6: Final answer
    x = 345,813,461.59

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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.