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Finding the Third Proportional to 61,196 and 90,660

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Solution

The third proportional to 61,196 and 90,660 is: 134,310.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,196 : 90,660 = 90,660 : x
  2. Step 2: Convert to fraction form
    61,196/90,660 = 90,660/x
  3. Step 3: Cross multiply
    61,196x = 90,660 × 90,660
  4. Step 4: Simplify right side
    61,196x = 8,219,235,600
  5. Step 5: Solve for x
    x = 8,219,235,600/61,196
  6. Step 6: Final answer
    x = 134,310.01

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.