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Finding the Third Proportional to 13,263,108 and 21,090,378

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Solution

The third proportional to 13,263,108 and 21,090,378 is: 33,536,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,108 : 21,090,378 = 21,090,378 : x
  2. Step 2: Convert to fraction form
    13,263,108/21,090,378 = 21,090,378/x
  3. Step 3: Cross multiply
    13,263,108x = 21,090,378 × 21,090,378
  4. Step 4: Simplify right side
    13,263,108x = 444,804,044,182,884
  5. Step 5: Solve for x
    x = 444,804,044,182,884/13,263,108
  6. Step 6: Final answer
    x = 33,536,939.02

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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.