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Finding the Third Proportional to 20,193,480 and 31,327,347

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Solution

The third proportional to 20,193,480 and 31,327,347 is: 48,599,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193,480 : 31,327,347 = 31,327,347 : x
  2. Step 2: Convert to fraction form
    20,193,480/31,327,347 = 31,327,347/x
  3. Step 3: Cross multiply
    20,193,480x = 31,327,347 × 31,327,347
  4. Step 4: Simplify right side
    20,193,480x = 981,402,670,058,409
  5. Step 5: Solve for x
    x = 981,402,670,058,409/20,193,480
  6. Step 6: Final answer
    x = 48,599,977.32

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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.