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Finding the Third Proportional to 17,880,956 and 38,620,457

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Solution

The third proportional to 17,880,956 and 38,620,457 is: 83,414,986.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880,956 : 38,620,457 = 38,620,457 : x
  2. Step 2: Convert to fraction form
    17,880,956/38,620,457 = 38,620,457/x
  3. Step 3: Cross multiply
    17,880,956x = 38,620,457 × 38,620,457
  4. Step 4: Simplify right side
    17,880,956x = 1,491,539,698,888,849
  5. Step 5: Solve for x
    x = 1,491,539,698,888,849/17,880,956
  6. Step 6: Final answer
    x = 83,414,986.25

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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.