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Finding the Third Proportional to 90,468 and 125,010

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Solution

The third proportional to 90,468 and 125,010 is: 172,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,468 : 125,010 = 125,010 : x
  2. Step 2: Convert to fraction form
    90,468/125,010 = 125,010/x
  3. Step 3: Cross multiply
    90,468x = 125,010 × 125,010
  4. Step 4: Simplify right side
    90,468x = 15,627,500,100
  5. Step 5: Solve for x
    x = 15,627,500,100/90,468
  6. Step 6: Final answer
    x = 172,740.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.