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Finding the Third Proportional to 18,520,224.75 and 39,884,992.31

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Solution

The third proportional to 18,520,224.75 and 39,884,992.31 is: 85,895,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520,224.75 : 39,884,992.31 = 39,884,992.31 : x
  2. Step 2: Convert to fraction form
    18,520,224.75/39,884,992.31 = 39,884,992.31/x
  3. Step 3: Cross multiply
    18,520,224.75x = 39,884,992.31 × 39,884,992.31
  4. Step 4: Simplify right side
    18,520,224.75x = 1,590,812,611,768,184
  5. Step 5: Solve for x
    x = 1,590,812,611,768,184/18,520,224.75
  6. Step 6: Final answer
    x = 85,895,966.88

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.