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Finding the Third Proportional to 5,238,435.50 and 7,825,391

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Solution

The third proportional to 5,238,435.50 and 7,825,391 is: 11,689,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238,435.50 : 7,825,391 = 7,825,391 : x
  2. Step 2: Convert to fraction form
    5,238,435.50/7,825,391 = 7,825,391/x
  3. Step 3: Cross multiply
    5,238,435.50x = 7,825,391 × 7,825,391
  4. Step 4: Simplify right side
    5,238,435.50x = 61,236,744,302,881
  5. Step 5: Solve for x
    x = 61,236,744,302,881/5,238,435.50
  6. Step 6: Final answer
    x = 11,689,891.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.