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Finding the Third Proportional to 170,712 and 245,900

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Solution

The third proportional to 170,712 and 245,900 is: 354,203.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,712 : 245,900 = 245,900 : x
  2. Step 2: Convert to fraction form
    170,712/245,900 = 245,900/x
  3. Step 3: Cross multiply
    170,712x = 245,900 × 245,900
  4. Step 4: Simplify right side
    170,712x = 60,466,810,000
  5. Step 5: Solve for x
    x = 60,466,810,000/170,712
  6. Step 6: Final answer
    x = 354,203.63

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.