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Finding the Third Proportional to 3,974,564.25 and 8,732,957.06

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Solution

The third proportional to 3,974,564.25 and 8,732,957.06 is: 19,188,151.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974,564.25 : 8,732,957.06 = 8,732,957.06 : x
  2. Step 2: Convert to fraction form
    3,974,564.25/8,732,957.06 = 8,732,957.06/x
  3. Step 3: Cross multiply
    3,974,564.25x = 8,732,957.06 × 8,732,957.06
  4. Step 4: Simplify right side
    3,974,564.25x = 76,264,539,055,468.62
  5. Step 5: Solve for x
    x = 76,264,539,055,468.62/3,974,564.25
  6. Step 6: Final answer
    x = 19,188,151.02

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.