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Finding the Third Proportional to 169,520 and 229,968

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Solution

The third proportional to 169,520 and 229,968 is: 311,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,520 : 229,968 = 229,968 : x
  2. Step 2: Convert to fraction form
    169,520/229,968 = 229,968/x
  3. Step 3: Cross multiply
    169,520x = 229,968 × 229,968
  4. Step 4: Simplify right side
    169,520x = 52,885,281,024
  5. Step 5: Solve for x
    x = 52,885,281,024/169,520
  6. Step 6: Final answer
    x = 311,970.75

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.