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Finding the Third Proportional to 7,872,859.97 and 17,259,081.33

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Solution

The third proportional to 7,872,859.97 and 17,259,081.33 is: 37,835,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872,859.97 : 17,259,081.33 = 17,259,081.33 : x
  2. Step 2: Convert to fraction form
    7,872,859.97/17,259,081.33 = 17,259,081.33/x
  3. Step 3: Cross multiply
    7,872,859.97x = 17,259,081.33 × 17,259,081.33
  4. Step 4: Simplify right side
    7,872,859.97x = 297,875,888,290,833
  5. Step 5: Solve for x
    x = 297,875,888,290,833/7,872,859.97
  6. Step 6: Final answer
    x = 37,835,791.50

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.