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Finding the Third Proportional to 8,575,045,521 and 18,574,667,859

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Solution

The third proportional to 8,575,045,521 and 18,574,667,859 is: 40,235,155,046.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575,045,521 : 18,574,667,859 = 18,574,667,859 : x
  2. Step 2: Convert to fraction form
    8,575,045,521/18,574,667,859 = 18,574,667,859/x
  3. Step 3: Cross multiply
    8,575,045,521x = 18,574,667,859 × 18,574,667,859
  4. Step 4: Simplify right side
    8,575,045,521x = 345,018,286,072,167,661,568
  5. Step 5: Solve for x
    x = 345,018,286,072,167,661,568/8,575,045,521
  6. Step 6: Final answer
    x = 40,235,155,046.96

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.