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Finding the Third Proportional to 5,078,344 and 6,889,240

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Solution

The third proportional to 5,078,344 and 6,889,240 is: 9,345,886.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,344 : 6,889,240 = 6,889,240 : x
  2. Step 2: Convert to fraction form
    5,078,344/6,889,240 = 6,889,240/x
  3. Step 3: Cross multiply
    5,078,344x = 6,889,240 × 6,889,240
  4. Step 4: Simplify right side
    5,078,344x = 47,461,627,777,600
  5. Step 5: Solve for x
    x = 47,461,627,777,600/5,078,344
  6. Step 6: Final answer
    x = 9,345,886.73

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.