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Finding the Third Proportional to 5,514,928 and 8,278,224

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Solution

The third proportional to 5,514,928 and 8,278,224 is: 12,426,090.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514,928 : 8,278,224 = 8,278,224 : x
  2. Step 2: Convert to fraction form
    5,514,928/8,278,224 = 8,278,224/x
  3. Step 3: Cross multiply
    5,514,928x = 8,278,224 × 8,278,224
  4. Step 4: Simplify right side
    5,514,928x = 68,528,992,594,176
  5. Step 5: Solve for x
    x = 68,528,992,594,176/5,514,928
  6. Step 6: Final answer
    x = 12,426,090.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.