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Finding the Third Proportional to 11,756,146.75 and 18,158,405.75

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Solution

The third proportional to 11,756,146.75 and 18,158,405.75 is: 28,047,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756,146.75 : 18,158,405.75 = 18,158,405.75 : x
  2. Step 2: Convert to fraction form
    11,756,146.75/18,158,405.75 = 18,158,405.75/x
  3. Step 3: Cross multiply
    11,756,146.75x = 18,158,405.75 × 18,158,405.75
  4. Step 4: Simplify right side
    11,756,146.75x = 329,727,699,381,633.06
  5. Step 5: Solve for x
    x = 329,727,699,381,633.06/11,756,146.75
  6. Step 6: Final answer
    x = 28,047,259.57

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.