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Finding the Third Proportional to 9,139,473 and 20,072,529

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Solution

The third proportional to 9,139,473 and 20,072,529 is: 44,084,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139,473 : 20,072,529 = 20,072,529 : x
  2. Step 2: Convert to fraction form
    9,139,473/20,072,529 = 20,072,529/x
  3. Step 3: Cross multiply
    9,139,473x = 20,072,529 × 20,072,529
  4. Step 4: Simplify right side
    9,139,473x = 402,906,420,455,841
  5. Step 5: Solve for x
    x = 402,906,420,455,841/9,139,473
  6. Step 6: Final answer
    x = 44,084,207.09

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.