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Finding the Third Proportional to 7,421,859 and 15,458,019.75

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Solution

The third proportional to 7,421,859 and 15,458,019.75 is: 32,195,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421,859 : 15,458,019.75 = 15,458,019.75 : x
  2. Step 2: Convert to fraction form
    7,421,859/15,458,019.75 = 15,458,019.75/x
  3. Step 3: Cross multiply
    7,421,859x = 15,458,019.75 × 15,458,019.75
  4. Step 4: Simplify right side
    7,421,859x = 238,950,374,591,390.06
  5. Step 5: Solve for x
    x = 238,950,374,591,390.06/7,421,859
  6. Step 6: Final answer
    x = 32,195,488.30

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.