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Finding the Third Proportional to 20,832,992 and 45,638,080

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Solution

The third proportional to 20,832,992 and 45,638,080 is: 99,977,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832,992 : 45,638,080 = 45,638,080 : x
  2. Step 2: Convert to fraction form
    20,832,992/45,638,080 = 45,638,080/x
  3. Step 3: Cross multiply
    20,832,992x = 45,638,080 × 45,638,080
  4. Step 4: Simplify right side
    20,832,992x = 2,082,834,346,086,400
  5. Step 5: Solve for x
    x = 2,082,834,346,086,400/20,832,992
  6. Step 6: Final answer
    x = 99,977,686.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.