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Finding the Third Proportional to 38,135,288 and 81,259,684

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Solution

The third proportional to 38,135,288 and 81,259,684 is: 173,150,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135,288 : 81,259,684 = 81,259,684 : x
  2. Step 2: Convert to fraction form
    38,135,288/81,259,684 = 81,259,684/x
  3. Step 3: Cross multiply
    38,135,288x = 81,259,684 × 81,259,684
  4. Step 4: Simplify right side
    38,135,288x = 6,603,136,243,779,856
  5. Step 5: Solve for x
    x = 6,603,136,243,779,856/38,135,288
  6. Step 6: Final answer
    x = 173,150,291.77

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.