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Finding the Third Proportional to 178,412.63 and 260,920.13

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Solution

The third proportional to 178,412.63 and 260,920.13 is: 381,583.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,412.63 : 260,920.13 = 260,920.13 : x
  2. Step 2: Convert to fraction form
    178,412.63/260,920.13 = 260,920.13/x
  3. Step 3: Cross multiply
    178,412.63x = 260,920.13 × 260,920.13
  4. Step 4: Simplify right side
    178,412.63x = 68,079,311,630.02
  5. Step 5: Solve for x
    x = 68,079,311,630.02/178,412.63
  6. Step 6: Final answer
    x = 381,583.49

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.