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Finding the Third Proportional to 672,545 and 1,427,103

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Solution

The third proportional to 672,545 and 1,427,103 is: 3,028,233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,545 : 1,427,103 = 1,427,103 : x
  2. Step 2: Convert to fraction form
    672,545/1,427,103 = 1,427,103/x
  3. Step 3: Cross multiply
    672,545x = 1,427,103 × 1,427,103
  4. Step 4: Simplify right side
    672,545x = 2,036,622,972,609
  5. Step 5: Solve for x
    x = 2,036,622,972,609/672,545
  6. Step 6: Final answer
    x = 3,028,233.01

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.