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Finding the Third Proportional to 13,561,137 and 20,467,813.50

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Solution

The third proportional to 13,561,137 and 20,467,813.50 is: 30,892,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,137 : 20,467,813.50 = 20,467,813.50 : x
  2. Step 2: Convert to fraction form
    13,561,137/20,467,813.50 = 20,467,813.50/x
  3. Step 3: Cross multiply
    13,561,137x = 20,467,813.50 × 20,467,813.50
  4. Step 4: Simplify right side
    13,561,137x = 418,931,389,470,782.25
  5. Step 5: Solve for x
    x = 418,931,389,470,782.25/13,561,137
  6. Step 6: Final answer
    x = 30,892,054.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.