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Finding the Third Proportional to 8,308,356.75 and 12,192,957

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Solution

The third proportional to 8,308,356.75 and 12,192,957 is: 17,893,815.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,356.75 : 12,192,957 = 12,192,957 : x
  2. Step 2: Convert to fraction form
    8,308,356.75/12,192,957 = 12,192,957/x
  3. Step 3: Cross multiply
    8,308,356.75x = 12,192,957 × 12,192,957
  4. Step 4: Simplify right side
    8,308,356.75x = 148,668,200,403,849
  5. Step 5: Solve for x
    x = 148,668,200,403,849/8,308,356.75
  6. Step 6: Final answer
    x = 17,893,815.21

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.