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Finding the Third Proportional to 12,775,065.75 and 19,157,907.38

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Solution

The third proportional to 12,775,065.75 and 19,157,907.38 is: 28,729,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775,065.75 : 19,157,907.38 = 19,157,907.38 : x
  2. Step 2: Convert to fraction form
    12,775,065.75/19,157,907.38 = 19,157,907.38/x
  3. Step 3: Cross multiply
    12,775,065.75x = 19,157,907.38 × 19,157,907.38
  4. Step 4: Simplify right side
    12,775,065.75x = 367,025,414,989,079.38
  5. Step 5: Solve for x
    x = 367,025,414,989,079.38/12,775,065.75
  6. Step 6: Final answer
    x = 28,729,825.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.