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Finding the Third Proportional to 36,220 and 53,246

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Solution

The third proportional to 36,220 and 53,246 is: 78,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,220 : 53,246 = 53,246 : x
  2. Step 2: Convert to fraction form
    36,220/53,246 = 53,246/x
  3. Step 3: Cross multiply
    36,220x = 53,246 × 53,246
  4. Step 4: Simplify right side
    36,220x = 2,835,136,516
  5. Step 5: Solve for x
    x = 2,835,136,516/36,220
  6. Step 6: Final answer
    x = 78,275.44

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.