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Finding the Third Proportional to 8,121,726 and 18,058,950

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Solution

The third proportional to 8,121,726 and 18,058,950 is: 40,154,725.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,726 : 18,058,950 = 18,058,950 : x
  2. Step 2: Convert to fraction form
    8,121,726/18,058,950 = 18,058,950/x
  3. Step 3: Cross multiply
    8,121,726x = 18,058,950 × 18,058,950
  4. Step 4: Simplify right side
    8,121,726x = 326,125,675,102,500
  5. Step 5: Solve for x
    x = 326,125,675,102,500/8,121,726
  6. Step 6: Final answer
    x = 40,154,725.13

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.