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Finding the Third Proportional to 18,959,907.94 and 28,639,114.31

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Solution

The third proportional to 18,959,907.94 and 28,639,114.31 is: 43,259,644.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,959,907.94 : 28,639,114.31 = 28,639,114.31 : x
  2. Step 2: Convert to fraction form
    18,959,907.94/28,639,114.31 = 28,639,114.31/x
  3. Step 3: Cross multiply
    18,959,907.94x = 28,639,114.31 × 28,639,114.31
  4. Step 4: Simplify right side
    18,959,907.94x = 820,198,868,604,442.38
  5. Step 5: Solve for x
    x = 820,198,868,604,442.38/18,959,907.94
  6. Step 6: Final answer
    x = 43,259,644.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.