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Finding the Third Proportional to 18,674,664.75 and 28,272,593.25

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Solution

The third proportional to 18,674,664.75 and 28,272,593.25 is: 42,803,420.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674,664.75 : 28,272,593.25 = 28,272,593.25 : x
  2. Step 2: Convert to fraction form
    18,674,664.75/28,272,593.25 = 28,272,593.25/x
  3. Step 3: Cross multiply
    18,674,664.75x = 28,272,593.25 × 28,272,593.25
  4. Step 4: Simplify right side
    18,674,664.75x = 799,339,529,079,945.50
  5. Step 5: Solve for x
    x = 799,339,529,079,945.50/18,674,664.75
  6. Step 6: Final answer
    x = 42,803,420.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.