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Finding the Third Proportional to 12,779,137 and 27,506,891

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Solution

The third proportional to 12,779,137 and 27,506,891 is: 59,208,149.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779,137 : 27,506,891 = 27,506,891 : x
  2. Step 2: Convert to fraction form
    12,779,137/27,506,891 = 27,506,891/x
  3. Step 3: Cross multiply
    12,779,137x = 27,506,891 × 27,506,891
  4. Step 4: Simplify right side
    12,779,137x = 756,629,052,485,881
  5. Step 5: Solve for x
    x = 756,629,052,485,881/12,779,137
  6. Step 6: Final answer
    x = 59,208,149.38

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.