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Finding the Third Proportional to 11,754,256.50 and 18,163,309.50

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Solution

The third proportional to 11,754,256.50 and 18,163,309.50 is: 28,066,922.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754,256.50 : 18,163,309.50 = 18,163,309.50 : x
  2. Step 2: Convert to fraction form
    11,754,256.50/18,163,309.50 = 18,163,309.50/x
  3. Step 3: Cross multiply
    11,754,256.50x = 18,163,309.50 × 18,163,309.50
  4. Step 4: Simplify right side
    11,754,256.50x = 329,905,811,992,790.25
  5. Step 5: Solve for x
    x = 329,905,811,992,790.25/11,754,256.50
  6. Step 6: Final answer
    x = 28,066,922.99

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.