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Finding the Third Proportional to 8,130,218.06 and 11,970,711.56

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Solution

The third proportional to 8,130,218.06 and 11,970,711.56 is: 17,625,349.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130,218.06 : 11,970,711.56 = 11,970,711.56 : x
  2. Step 2: Convert to fraction form
    8,130,218.06/11,970,711.56 = 11,970,711.56/x
  3. Step 3: Cross multiply
    8,130,218.06x = 11,970,711.56 × 11,970,711.56
  4. Step 4: Simplify right side
    8,130,218.06x = 143,297,935,312,571.19
  5. Step 5: Solve for x
    x = 143,297,935,312,571.19/8,130,218.06
  6. Step 6: Final answer
    x = 17,625,349.56

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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.