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Finding the Third Proportional to 12,885,278 and 27,788,102

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Solution

The third proportional to 12,885,278 and 27,788,102 is: 59,927,198.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,278 : 27,788,102 = 27,788,102 : x
  2. Step 2: Convert to fraction form
    12,885,278/27,788,102 = 27,788,102/x
  3. Step 3: Cross multiply
    12,885,278x = 27,788,102 × 27,788,102
  4. Step 4: Simplify right side
    12,885,278x = 772,178,612,762,404
  5. Step 5: Solve for x
    x = 772,178,612,762,404/12,885,278
  6. Step 6: Final answer
    x = 59,927,198.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.