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Finding the Third Proportional to 15,424,619.63 and 31,387,928.63

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Solution

The third proportional to 15,424,619.63 and 31,387,928.63 is: 63,872,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424,619.63 : 31,387,928.63 = 31,387,928.63 : x
  2. Step 2: Convert to fraction form
    15,424,619.63/31,387,928.63 = 31,387,928.63/x
  3. Step 3: Cross multiply
    15,424,619.63x = 31,387,928.63 × 31,387,928.63
  4. Step 4: Simplify right side
    15,424,619.63x = 985,202,063,368,094.38
  5. Step 5: Solve for x
    x = 985,202,063,368,094.38/15,424,619.63
  6. Step 6: Final answer
    x = 63,872,049.19

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.