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Finding the Third Proportional to 10,279,904 and 15,421,818

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Solution

The third proportional to 10,279,904 and 15,421,818 is: 23,135,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279,904 : 15,421,818 = 15,421,818 : x
  2. Step 2: Convert to fraction form
    10,279,904/15,421,818 = 15,421,818/x
  3. Step 3: Cross multiply
    10,279,904x = 15,421,818 × 15,421,818
  4. Step 4: Simplify right side
    10,279,904x = 237,832,470,425,124
  5. Step 5: Solve for x
    x = 237,832,470,425,124/10,279,904
  6. Step 6: Final answer
    x = 23,135,670.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.