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Finding the Third Proportional to 12,391,858 and 26,988,392

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Solution

The third proportional to 12,391,858 and 26,988,392 is: 58,778,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391,858 : 26,988,392 = 26,988,392 : x
  2. Step 2: Convert to fraction form
    12,391,858/26,988,392 = 26,988,392/x
  3. Step 3: Cross multiply
    12,391,858x = 26,988,392 × 26,988,392
  4. Step 4: Simplify right side
    12,391,858x = 728,373,302,745,664
  5. Step 5: Solve for x
    x = 728,373,302,745,664/12,391,858
  6. Step 6: Final answer
    x = 58,778,377.12

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.