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Finding the Third Proportional to 97,480 and 202,620

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Solution

The third proportional to 97,480 and 202,620 is: 421,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,480 : 202,620 = 202,620 : x
  2. Step 2: Convert to fraction form
    97,480/202,620 = 202,620/x
  3. Step 3: Cross multiply
    97,480x = 202,620 × 202,620
  4. Step 4: Simplify right side
    97,480x = 41,054,864,400
  5. Step 5: Solve for x
    x = 41,054,864,400/97,480
  6. Step 6: Final answer
    x = 421,161.92

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.