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Finding the Third Proportional to 13,263,137 and 21,090,374

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Solution

The third proportional to 13,263,137 and 21,090,374 is: 33,536,852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,137 : 21,090,374 = 21,090,374 : x
  2. Step 2: Convert to fraction form
    13,263,137/21,090,374 = 21,090,374/x
  3. Step 3: Cross multiply
    13,263,137x = 21,090,374 × 21,090,374
  4. Step 4: Simplify right side
    13,263,137x = 444,803,875,459,876
  5. Step 5: Solve for x
    x = 444,803,875,459,876/13,263,137
  6. Step 6: Final answer
    x = 33,536,852.97

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.