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Finding the Third Proportional to 4,515,645 and 6,437,118

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Solution

The third proportional to 4,515,645 and 6,437,118 is: 9,176,205.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515,645 : 6,437,118 = 6,437,118 : x
  2. Step 2: Convert to fraction form
    4,515,645/6,437,118 = 6,437,118/x
  3. Step 3: Cross multiply
    4,515,645x = 6,437,118 × 6,437,118
  4. Step 4: Simplify right side
    4,515,645x = 41,436,488,145,924
  5. Step 5: Solve for x
    x = 41,436,488,145,924/4,515,645
  6. Step 6: Final answer
    x = 9,176,205.87

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.