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Finding the Third Proportional to 169,312 and 248,911

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Solution

The third proportional to 169,312 and 248,911 is: 365,932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,312 : 248,911 = 248,911 : x
  2. Step 2: Convert to fraction form
    169,312/248,911 = 248,911/x
  3. Step 3: Cross multiply
    169,312x = 248,911 × 248,911
  4. Step 4: Simplify right side
    169,312x = 61,956,685,921
  5. Step 5: Solve for x
    x = 61,956,685,921/169,312
  6. Step 6: Final answer
    x = 365,932.04

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.