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Finding the Third Proportional to 169,590 and 268,479

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Solution

The third proportional to 169,590 and 268,479 is: 425,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,590 : 268,479 = 268,479 : x
  2. Step 2: Convert to fraction form
    169,590/268,479 = 268,479/x
  3. Step 3: Cross multiply
    169,590x = 268,479 × 268,479
  4. Step 4: Simplify right side
    169,590x = 72,080,973,441
  5. Step 5: Solve for x
    x = 72,080,973,441/169,590
  6. Step 6: Final answer
    x = 425,030.80

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.