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Finding the Third Proportional to 21,679,236 and 31,160,718

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Solution

The third proportional to 21,679,236 and 31,160,718 is: 44,788,955.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,679,236 : 31,160,718 = 31,160,718 : x
  2. Step 2: Convert to fraction form
    21,679,236/31,160,718 = 31,160,718/x
  3. Step 3: Cross multiply
    21,679,236x = 31,160,718 × 31,160,718
  4. Step 4: Simplify right side
    21,679,236x = 970,990,346,275,524
  5. Step 5: Solve for x
    x = 970,990,346,275,524/21,679,236
  6. Step 6: Final answer
    x = 44,788,955.95

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.