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Finding the Third Proportional to 5,514,364.55 and 8,342,468.86

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Solution

The third proportional to 5,514,364.55 and 8,342,468.86 is: 12,620,998.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514,364.55 : 8,342,468.86 = 8,342,468.86 : x
  2. Step 2: Convert to fraction form
    5,514,364.55/8,342,468.86 = 8,342,468.86/x
  3. Step 3: Cross multiply
    5,514,364.55x = 8,342,468.86 × 8,342,468.86
  4. Step 4: Simplify right side
    5,514,364.55x = 69,596,786,669,641.62
  5. Step 5: Solve for x
    x = 69,596,786,669,641.62/5,514,364.55
  6. Step 6: Final answer
    x = 12,620,998.50

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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.