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Finding the Third Proportional to 13,930,878 and 21,526,749

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Solution

The third proportional to 13,930,878 and 21,526,749 is: 33,264,301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930,878 : 21,526,749 = 21,526,749 : x
  2. Step 2: Convert to fraction form
    13,930,878/21,526,749 = 21,526,749/x
  3. Step 3: Cross multiply
    13,930,878x = 21,526,749 × 21,526,749
  4. Step 4: Simplify right side
    13,930,878x = 463,400,922,509,001
  5. Step 5: Solve for x
    x = 463,400,922,509,001/13,930,878
  6. Step 6: Final answer
    x = 33,264,301.25

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.