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Finding the Third Proportional to 4,272,192 and 6,612,840

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Solution

The third proportional to 4,272,192 and 6,612,840 is: 10,235,881.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272,192 : 6,612,840 = 6,612,840 : x
  2. Step 2: Convert to fraction form
    4,272,192/6,612,840 = 6,612,840/x
  3. Step 3: Cross multiply
    4,272,192x = 6,612,840 × 6,612,840
  4. Step 4: Simplify right side
    4,272,192x = 43,729,652,865,600
  5. Step 5: Solve for x
    x = 43,729,652,865,600/4,272,192
  6. Step 6: Final answer
    x = 10,235,881.92

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.