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Finding the Third Proportional to 79,731,026 and 124,910,930

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Solution

The third proportional to 79,731,026 and 124,910,930 is: 195,692,206.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,731,026 : 124,910,930 = 124,910,930 : x
  2. Step 2: Convert to fraction form
    79,731,026/124,910,930 = 124,910,930/x
  3. Step 3: Cross multiply
    79,731,026x = 124,910,930 × 124,910,930
  4. Step 4: Simplify right side
    79,731,026x = 15,602,740,433,464,900
  5. Step 5: Solve for x
    x = 15,602,740,433,464,900/79,731,026
  6. Step 6: Final answer
    x = 195,692,206.86

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.