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Finding the Third Proportional to 13,131,582 and 20,977,983

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Solution

The third proportional to 13,131,582 and 20,977,983 is: 33,512,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131,582 : 20,977,983 = 20,977,983 : x
  2. Step 2: Convert to fraction form
    13,131,582/20,977,983 = 20,977,983/x
  3. Step 3: Cross multiply
    13,131,582x = 20,977,983 × 20,977,983
  4. Step 4: Simplify right side
    13,131,582x = 440,075,770,748,289
  5. Step 5: Solve for x
    x = 440,075,770,748,289/13,131,582
  6. Step 6: Final answer
    x = 33,512,776.35

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.