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Finding the Third Proportional to 8,900,559 and 18,272,961

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Solution

The third proportional to 8,900,559 and 18,272,961 is: 37,514,621.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900,559 : 18,272,961 = 18,272,961 : x
  2. Step 2: Convert to fraction form
    8,900,559/18,272,961 = 18,272,961/x
  3. Step 3: Cross multiply
    8,900,559x = 18,272,961 × 18,272,961
  4. Step 4: Simplify right side
    8,900,559x = 333,901,103,707,521
  5. Step 5: Solve for x
    x = 333,901,103,707,521/8,900,559
  6. Step 6: Final answer
    x = 37,514,621.69

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.