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Finding the Third Proportional to 1,977,372 and 4,317,192

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Solution

The third proportional to 1,977,372 and 4,317,192 is: 9,425,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,372 : 4,317,192 = 4,317,192 : x
  2. Step 2: Convert to fraction form
    1,977,372/4,317,192 = 4,317,192/x
  3. Step 3: Cross multiply
    1,977,372x = 4,317,192 × 4,317,192
  4. Step 4: Simplify right side
    1,977,372x = 18,638,146,764,864
  5. Step 5: Solve for x
    x = 18,638,146,764,864/1,977,372
  6. Step 6: Final answer
    x = 9,425,715.93

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.