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Finding the Third Proportional to 9,920,583 and 20,239,732

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Solution

The third proportional to 9,920,583 and 20,239,732 is: 41,292,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920,583 : 20,239,732 = 20,239,732 : x
  2. Step 2: Convert to fraction form
    9,920,583/20,239,732 = 20,239,732/x
  3. Step 3: Cross multiply
    9,920,583x = 20,239,732 × 20,239,732
  4. Step 4: Simplify right side
    9,920,583x = 409,646,751,431,824
  5. Step 5: Solve for x
    x = 409,646,751,431,824/9,920,583
  6. Step 6: Final answer
    x = 41,292,608.65

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.