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Finding the Third Proportional to 17,880,958 and 38,620,460

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Solution

The third proportional to 17,880,958 and 38,620,460 is: 83,414,989.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880,958 : 38,620,460 = 38,620,460 : x
  2. Step 2: Convert to fraction form
    17,880,958/38,620,460 = 38,620,460/x
  3. Step 3: Cross multiply
    17,880,958x = 38,620,460 × 38,620,460
  4. Step 4: Simplify right side
    17,880,958x = 1,491,539,930,611,600
  5. Step 5: Solve for x
    x = 1,491,539,930,611,600/17,880,958
  6. Step 6: Final answer
    x = 83,414,989.88

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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.