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Finding the Third Proportional to 4,193,488 and 9,172,108

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Solution

The third proportional to 4,193,488 and 9,172,108 is: 20,061,477.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193,488 : 9,172,108 = 9,172,108 : x
  2. Step 2: Convert to fraction form
    4,193,488/9,172,108 = 9,172,108/x
  3. Step 3: Cross multiply
    4,193,488x = 9,172,108 × 9,172,108
  4. Step 4: Simplify right side
    4,193,488x = 84,127,565,163,664
  5. Step 5: Solve for x
    x = 84,127,565,163,664/4,193,488
  6. Step 6: Final answer
    x = 20,061,477.50

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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.