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Finding the Third Proportional to 173,243,822 and 385,222,087

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Solution

The third proportional to 173,243,822 and 385,222,087 is: 856,573,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,243,822 : 385,222,087 = 385,222,087 : x
  2. Step 2: Convert to fraction form
    173,243,822/385,222,087 = 385,222,087/x
  3. Step 3: Cross multiply
    173,243,822x = 385,222,087 × 385,222,087
  4. Step 4: Simplify right side
    173,243,822x = 148,396,056,312,635,584
  5. Step 5: Solve for x
    x = 148,396,056,312,635,584/173,243,822
  6. Step 6: Final answer
    x = 856,573,438.52

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.