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Finding the Third Proportional to 18,442,369 and 39,723,055

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Solution

The third proportional to 18,442,369 and 39,723,055 is: 85,559,566.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442,369 : 39,723,055 = 39,723,055 : x
  2. Step 2: Convert to fraction form
    18,442,369/39,723,055 = 39,723,055/x
  3. Step 3: Cross multiply
    18,442,369x = 39,723,055 × 39,723,055
  4. Step 4: Simplify right side
    18,442,369x = 1,577,921,098,533,025
  5. Step 5: Solve for x
    x = 1,577,921,098,533,025/18,442,369
  6. Step 6: Final answer
    x = 85,559,566.59

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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.