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Finding the Third Proportional to 173,243,820 and 385,222,083

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Solution

The third proportional to 173,243,820 and 385,222,083 is: 856,573,430.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,243,820 : 385,222,083 = 385,222,083 : x
  2. Step 2: Convert to fraction form
    173,243,820/385,222,083 = 385,222,083/x
  3. Step 3: Cross multiply
    173,243,820x = 385,222,083 × 385,222,083
  4. Step 4: Simplify right side
    173,243,820x = 148,396,053,230,858,880
  5. Step 5: Solve for x
    x = 148,396,053,230,858,880/173,243,820
  6. Step 6: Final answer
    x = 856,573,430.62

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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.