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Finding the Third Proportional to 13,263,135 and 21,090,372

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Solution

The third proportional to 13,263,135 and 21,090,372 is: 33,536,851.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,135 : 21,090,372 = 21,090,372 : x
  2. Step 2: Convert to fraction form
    13,263,135/21,090,372 = 21,090,372/x
  3. Step 3: Cross multiply
    13,263,135x = 21,090,372 × 21,090,372
  4. Step 4: Simplify right side
    13,263,135x = 444,803,791,098,384
  5. Step 5: Solve for x
    x = 444,803,791,098,384/13,263,135
  6. Step 6: Final answer
    x = 33,536,851.66

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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.