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Finding the Third Proportional to 70,849 and 106,090

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Solution

The third proportional to 70,849 and 106,090 is: 158,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,849 : 106,090 = 106,090 : x
  2. Step 2: Convert to fraction form
    70,849/106,090 = 106,090/x
  3. Step 3: Cross multiply
    70,849x = 106,090 × 106,090
  4. Step 4: Simplify right side
    70,849x = 11,255,088,100
  5. Step 5: Solve for x
    x = 11,255,088,100/70,849
  6. Step 6: Final answer
    x = 158,860.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.