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Finding the Third Proportional to 5,927,348,467 and 12,887,778,872

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Solution

The third proportional to 5,927,348,467 and 12,887,778,872 is: 28,021,778,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,927,348,467 : 12,887,778,872 = 12,887,778,872 : x
  2. Step 2: Convert to fraction form
    5,927,348,467/12,887,778,872 = 12,887,778,872/x
  3. Step 3: Cross multiply
    5,927,348,467x = 12,887,778,872 × 12,887,778,872
  4. Step 4: Simplify right side
    5,927,348,467x = 166,094,844,253,569,581,056
  5. Step 5: Solve for x
    x = 166,094,844,253,569,581,056/5,927,348,467
  6. Step 6: Final answer
    x = 28,021,778,233.27

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.