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Finding the Third Proportional to 8,574,453 and 18,876,089

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Solution

The third proportional to 8,574,453 and 18,876,089 is: 41,554,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574,453 : 18,876,089 = 18,876,089 : x
  2. Step 2: Convert to fraction form
    8,574,453/18,876,089 = 18,876,089/x
  3. Step 3: Cross multiply
    8,574,453x = 18,876,089 × 18,876,089
  4. Step 4: Simplify right side
    8,574,453x = 356,306,735,935,921
  5. Step 5: Solve for x
    x = 356,306,735,935,921/8,574,453
  6. Step 6: Final answer
    x = 41,554,456.70

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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.