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Finding the Third Proportional to 4,342,188 and 6,386,980

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Solution

The third proportional to 4,342,188 and 6,386,980 is: 9,394,690.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342,188 : 6,386,980 = 6,386,980 : x
  2. Step 2: Convert to fraction form
    4,342,188/6,386,980 = 6,386,980/x
  3. Step 3: Cross multiply
    4,342,188x = 6,386,980 × 6,386,980
  4. Step 4: Simplify right side
    4,342,188x = 40,793,513,520,400
  5. Step 5: Solve for x
    x = 40,793,513,520,400/4,342,188
  6. Step 6: Final answer
    x = 9,394,690.77

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.