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Finding the Third Proportional to 45,478 and 92,805.50

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Solution

The third proportional to 45,478 and 92,805.50 is: 189,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,478 : 92,805.50 = 92,805.50 : x
  2. Step 2: Convert to fraction form
    45,478/92,805.50 = 92,805.50/x
  3. Step 3: Cross multiply
    45,478x = 92,805.50 × 92,805.50
  4. Step 4: Simplify right side
    45,478x = 8,612,860,830.25
  5. Step 5: Solve for x
    x = 8,612,860,830.25/45,478
  6. Step 6: Final answer
    x = 189,385.22

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.