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Finding the Third Proportional to 57,786,246 and 120,355,460

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Solution

The third proportional to 57,786,246 and 120,355,460 is: 250,672,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,786,246 : 120,355,460 = 120,355,460 : x
  2. Step 2: Convert to fraction form
    57,786,246/120,355,460 = 120,355,460/x
  3. Step 3: Cross multiply
    57,786,246x = 120,355,460 × 120,355,460
  4. Step 4: Simplify right side
    57,786,246x = 14,485,436,751,811,600
  5. Step 5: Solve for x
    x = 14,485,436,751,811,600/57,786,246
  6. Step 6: Final answer
    x = 250,672,742.30

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.