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Finding the Third Proportional to 171,768 and 262,776

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Solution

The third proportional to 171,768 and 262,776 is: 402,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,768 : 262,776 = 262,776 : x
  2. Step 2: Convert to fraction form
    171,768/262,776 = 262,776/x
  3. Step 3: Cross multiply
    171,768x = 262,776 × 262,776
  4. Step 4: Simplify right side
    171,768x = 69,051,226,176
  5. Step 5: Solve for x
    x = 69,051,226,176/171,768
  6. Step 6: Final answer
    x = 402,002.85

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.