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Finding the Third Proportional to 4,191,891.75 and 8,537,940

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Solution

The third proportional to 4,191,891.75 and 8,537,940 is: 17,389,862.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191,891.75 : 8,537,940 = 8,537,940 : x
  2. Step 2: Convert to fraction form
    4,191,891.75/8,537,940 = 8,537,940/x
  3. Step 3: Cross multiply
    4,191,891.75x = 8,537,940 × 8,537,940
  4. Step 4: Simplify right side
    4,191,891.75x = 72,896,419,443,600
  5. Step 5: Solve for x
    x = 72,896,419,443,600/4,191,891.75
  6. Step 6: Final answer
    x = 17,389,862.09

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.