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Finding the Third Proportional to 45,700 and 97,220

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Solution

The third proportional to 45,700 and 97,220 is: 206,821.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,700 : 97,220 = 97,220 : x
  2. Step 2: Convert to fraction form
    45,700/97,220 = 97,220/x
  3. Step 3: Cross multiply
    45,700x = 97,220 × 97,220
  4. Step 4: Simplify right side
    45,700x = 9,451,728,400
  5. Step 5: Solve for x
    x = 9,451,728,400/45,700
  6. Step 6: Final answer
    x = 206,821.19

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.