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Finding the Third Proportional to 12,909,206 and 27,810,130

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Solution

The third proportional to 12,909,206 and 27,810,130 is: 59,910,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909,206 : 27,810,130 = 27,810,130 : x
  2. Step 2: Convert to fraction form
    12,909,206/27,810,130 = 27,810,130/x
  3. Step 3: Cross multiply
    12,909,206x = 27,810,130 × 27,810,130
  4. Step 4: Simplify right side
    12,909,206x = 773,403,330,616,900
  5. Step 5: Solve for x
    x = 773,403,330,616,900/12,909,206
  6. Step 6: Final answer
    x = 59,910,991.48

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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.