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Finding the Third Proportional to 7,723,188 and 16,642,440

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Solution

The third proportional to 7,723,188 and 16,642,440 is: 35,862,238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723,188 : 16,642,440 = 16,642,440 : x
  2. Step 2: Convert to fraction form
    7,723,188/16,642,440 = 16,642,440/x
  3. Step 3: Cross multiply
    7,723,188x = 16,642,440 × 16,642,440
  4. Step 4: Simplify right side
    7,723,188x = 276,970,809,153,600
  5. Step 5: Solve for x
    x = 276,970,809,153,600/7,723,188
  6. Step 6: Final answer
    x = 35,862,238.39

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.