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Finding the Third Proportional to 172,403,058 and 267,670,108

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Solution

The third proportional to 172,403,058 and 267,670,108 is: 415,580,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,403,058 : 267,670,108 = 267,670,108 : x
  2. Step 2: Convert to fraction form
    172,403,058/267,670,108 = 267,670,108/x
  3. Step 3: Cross multiply
    172,403,058x = 267,670,108 × 267,670,108
  4. Step 4: Simplify right side
    172,403,058x = 71,647,286,716,731,664
  5. Step 5: Solve for x
    x = 71,647,286,716,731,664/172,403,058
  6. Step 6: Final answer
    x = 415,580,138.47

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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.