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Finding the Third Proportional to 28,651,986 and 61,841,408

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Solution

The third proportional to 28,651,986 and 61,841,408 is: 133,476,253.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,651,986 : 61,841,408 = 61,841,408 : x
  2. Step 2: Convert to fraction form
    28,651,986/61,841,408 = 61,841,408/x
  3. Step 3: Cross multiply
    28,651,986x = 61,841,408 × 61,841,408
  4. Step 4: Simplify right side
    28,651,986x = 3,824,359,743,422,464
  5. Step 5: Solve for x
    x = 3,824,359,743,422,464/28,651,986
  6. Step 6: Final answer
    x = 133,476,253.39

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.