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Finding the Third Proportional to 97,220 and 152,310

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Solution

The third proportional to 97,220 and 152,310 is: 238,616.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,220 : 152,310 = 152,310 : x
  2. Step 2: Convert to fraction form
    97,220/152,310 = 152,310/x
  3. Step 3: Cross multiply
    97,220x = 152,310 × 152,310
  4. Step 4: Simplify right side
    97,220x = 23,198,336,100
  5. Step 5: Solve for x
    x = 23,198,336,100/97,220
  6. Step 6: Final answer
    x = 238,616.91

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.