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Finding the Third Proportional to 4,781,778.75 and 10,319,220

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Solution

The third proportional to 4,781,778.75 and 10,319,220 is: 22,269,182.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781,778.75 : 10,319,220 = 10,319,220 : x
  2. Step 2: Convert to fraction form
    4,781,778.75/10,319,220 = 10,319,220/x
  3. Step 3: Cross multiply
    4,781,778.75x = 10,319,220 × 10,319,220
  4. Step 4: Simplify right side
    4,781,778.75x = 106,486,301,408,400
  5. Step 5: Solve for x
    x = 106,486,301,408,400/4,781,778.75
  6. Step 6: Final answer
    x = 22,269,182.03

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.