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Finding the Third Proportional to 79,897,040 and 120,685,208

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Solution

The third proportional to 79,897,040 and 120,685,208 is: 182,296,107.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,897,040 : 120,685,208 = 120,685,208 : x
  2. Step 2: Convert to fraction form
    79,897,040/120,685,208 = 120,685,208/x
  3. Step 3: Cross multiply
    79,897,040x = 120,685,208 × 120,685,208
  4. Step 4: Simplify right side
    79,897,040x = 14,564,919,430,003,264
  5. Step 5: Solve for x
    x = 14,564,919,430,003,264/79,897,040
  6. Step 6: Final answer
    x = 182,296,107.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.