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Finding the Third Proportional to 13,260,726 and 20,476,881

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Solution

The third proportional to 13,260,726 and 20,476,881 is: 31,619,886.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260,726 : 20,476,881 = 20,476,881 : x
  2. Step 2: Convert to fraction form
    13,260,726/20,476,881 = 20,476,881/x
  3. Step 3: Cross multiply
    13,260,726x = 20,476,881 × 20,476,881
  4. Step 4: Simplify right side
    13,260,726x = 419,302,655,488,161
  5. Step 5: Solve for x
    x = 419,302,655,488,161/13,260,726
  6. Step 6: Final answer
    x = 31,619,886.84

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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.