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Finding the Third Proportional to 171,178.50 and 250,428.50

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Solution

The third proportional to 171,178.50 and 250,428.50 is: 366,368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,178.50 : 250,428.50 = 250,428.50 : x
  2. Step 2: Convert to fraction form
    171,178.50/250,428.50 = 250,428.50/x
  3. Step 3: Cross multiply
    171,178.50x = 250,428.50 × 250,428.50
  4. Step 4: Simplify right side
    171,178.50x = 62,714,433,612.25
  5. Step 5: Solve for x
    x = 62,714,433,612.25/171,178.50
  6. Step 6: Final answer
    x = 366,368.64

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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.