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Finding the Third Proportional to 9,966,568.50 and 14,252,172.75

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Solution

The third proportional to 9,966,568.50 and 14,252,172.75 is: 20,380,578.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,568.50 : 14,252,172.75 = 14,252,172.75 : x
  2. Step 2: Convert to fraction form
    9,966,568.50/14,252,172.75 = 14,252,172.75/x
  3. Step 3: Cross multiply
    9,966,568.50x = 14,252,172.75 × 14,252,172.75
  4. Step 4: Simplify right side
    9,966,568.50x = 203,124,428,095,842.56
  5. Step 5: Solve for x
    x = 203,124,428,095,842.56/9,966,568.50
  6. Step 6: Final answer
    x = 20,380,578.14

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.