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Finding the Third Proportional to 97,690 and 152,368

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Solution

The third proportional to 97,690 and 152,368 is: 237,649.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,690 : 152,368 = 152,368 : x
  2. Step 2: Convert to fraction form
    97,690/152,368 = 152,368/x
  3. Step 3: Cross multiply
    97,690x = 152,368 × 152,368
  4. Step 4: Simplify right side
    97,690x = 23,216,007,424
  5. Step 5: Solve for x
    x = 23,216,007,424/97,690
  6. Step 6: Final answer
    x = 237,649.78

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.