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Finding the Third Proportional to 12,015,907.88 and 18,617,576.63

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Solution

The third proportional to 12,015,907.88 and 18,617,576.63 is: 28,846,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015,907.88 : 18,617,576.63 = 18,617,576.63 : x
  2. Step 2: Convert to fraction form
    12,015,907.88/18,617,576.63 = 18,617,576.63/x
  3. Step 3: Cross multiply
    12,015,907.88x = 18,617,576.63 × 18,617,576.63
  4. Step 4: Simplify right side
    12,015,907.88x = 346,614,159,387,746.38
  5. Step 5: Solve for x
    x = 346,614,159,387,746.38/12,015,907.88
  6. Step 6: Final answer
    x = 28,846,273.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.