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Finding the Third Proportional to 13,224,139 and 20,425,771

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Solution

The third proportional to 13,224,139 and 20,425,771 is: 31,549,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224,139 : 20,425,771 = 20,425,771 : x
  2. Step 2: Convert to fraction form
    13,224,139/20,425,771 = 20,425,771/x
  3. Step 3: Cross multiply
    13,224,139x = 20,425,771 × 20,425,771
  4. Step 4: Simplify right side
    13,224,139x = 417,212,120,944,441
  5. Step 5: Solve for x
    x = 417,212,120,944,441/13,224,139
  6. Step 6: Final answer
    x = 31,549,284.30

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.