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Finding the Third Proportional to 8,518,216.50 and 18,473,670

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Solution

The third proportional to 8,518,216.50 and 18,473,670 is: 40,064,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,216.50 : 18,473,670 = 18,473,670 : x
  2. Step 2: Convert to fraction form
    8,518,216.50/18,473,670 = 18,473,670/x
  3. Step 3: Cross multiply
    8,518,216.50x = 18,473,670 × 18,473,670
  4. Step 4: Simplify right side
    8,518,216.50x = 341,276,483,268,900
  5. Step 5: Solve for x
    x = 341,276,483,268,900/8,518,216.50
  6. Step 6: Final answer
    x = 40,064,311.97

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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.