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Finding the Third Proportional to 3,806,566.88 and 8,219,875.31

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Solution

The third proportional to 3,806,566.88 and 8,219,875.31 is: 17,749,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806,566.88 : 8,219,875.31 = 8,219,875.31 : x
  2. Step 2: Convert to fraction form
    3,806,566.88/8,219,875.31 = 8,219,875.31/x
  3. Step 3: Cross multiply
    3,806,566.88x = 8,219,875.31 × 8,219,875.31
  4. Step 4: Simplify right side
    3,806,566.88x = 67,566,350,153,046.97
  5. Step 5: Solve for x
    x = 67,566,350,153,046.97/3,806,566.88
  6. Step 6: Final answer
    x = 17,749,944.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.