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Finding the Third Proportional to 2,480,881.25 and 5,320,721.25

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Solution

The third proportional to 2,480,881.25 and 5,320,721.25 is: 11,411,297.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480,881.25 : 5,320,721.25 = 5,320,721.25 : x
  2. Step 2: Convert to fraction form
    2,480,881.25/5,320,721.25 = 5,320,721.25/x
  3. Step 3: Cross multiply
    2,480,881.25x = 5,320,721.25 × 5,320,721.25
  4. Step 4: Simplify right side
    2,480,881.25x = 28,310,074,620,201.56
  5. Step 5: Solve for x
    x = 28,310,074,620,201.56/2,480,881.25
  6. Step 6: Final answer
    x = 11,411,297.75

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.