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Finding the Third Proportional to 10,308,480.75 and 15,147,153.75

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Solution

The third proportional to 10,308,480.75 and 15,147,153.75 is: 22,257,039.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308,480.75 : 15,147,153.75 = 15,147,153.75 : x
  2. Step 2: Convert to fraction form
    10,308,480.75/15,147,153.75 = 15,147,153.75/x
  3. Step 3: Cross multiply
    10,308,480.75x = 15,147,153.75 × 15,147,153.75
  4. Step 4: Simplify right side
    10,308,480.75x = 229,436,266,726,139.06
  5. Step 5: Solve for x
    x = 229,436,266,726,139.06/10,308,480.75
  6. Step 6: Final answer
    x = 22,257,039.84

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.