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Finding the Third Proportional to 162,355.50 and 254,751.75

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Solution

The third proportional to 162,355.50 and 254,751.75 is: 399,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,355.50 : 254,751.75 = 254,751.75 : x
  2. Step 2: Convert to fraction form
    162,355.50/254,751.75 = 254,751.75/x
  3. Step 3: Cross multiply
    162,355.50x = 254,751.75 × 254,751.75
  4. Step 4: Simplify right side
    162,355.50x = 64,898,454,128.06
  5. Step 5: Solve for x
    x = 64,898,454,128.06/162,355.50
  6. Step 6: Final answer
    x = 399,730.56

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.