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Finding the Third Proportional to 3,472,559.72 and 7,478,472.38

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Solution

The third proportional to 3,472,559.72 and 7,478,472.38 is: 16,105,568.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472,559.72 : 7,478,472.38 = 7,478,472.38 : x
  2. Step 2: Convert to fraction form
    3,472,559.72/7,478,472.38 = 7,478,472.38/x
  3. Step 3: Cross multiply
    3,472,559.72x = 7,478,472.38 × 7,478,472.38
  4. Step 4: Simplify right side
    3,472,559.72x = 55,927,549,063,638.14
  5. Step 5: Solve for x
    x = 55,927,549,063,638.14/3,472,559.72
  6. Step 6: Final answer
    x = 16,105,568.69

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.