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Finding the Third Proportional to 173,954,910 and 243,328,890

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Solution

The third proportional to 173,954,910 and 243,328,890 is: 340,369,517.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,954,910 : 243,328,890 = 243,328,890 : x
  2. Step 2: Convert to fraction form
    173,954,910/243,328,890 = 243,328,890/x
  3. Step 3: Cross multiply
    173,954,910x = 243,328,890 × 243,328,890
  4. Step 4: Simplify right side
    173,954,910x = 59,208,948,708,632,096
  5. Step 5: Solve for x
    x = 59,208,948,708,632,096/173,954,910
  6. Step 6: Final answer
    x = 340,369,517.07

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.