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Finding the Third Proportional to 11,144,877.75 and 15,399,689.63

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Solution

The third proportional to 11,144,877.75 and 15,399,689.63 is: 21,278,873.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144,877.75 : 15,399,689.63 = 15,399,689.63 : x
  2. Step 2: Convert to fraction form
    11,144,877.75/15,399,689.63 = 15,399,689.63/x
  3. Step 3: Cross multiply
    11,144,877.75x = 15,399,689.63 × 15,399,689.63
  4. Step 4: Simplify right side
    11,144,877.75x = 237,150,440,546,332.62
  5. Step 5: Solve for x
    x = 237,150,440,546,332.62/11,144,877.75
  6. Step 6: Final answer
    x = 21,278,873.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.