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Finding the Third Proportional to 153,490.50 and 235,600.50

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Solution

The third proportional to 153,490.50 and 235,600.50 is: 361,635.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,490.50 : 235,600.50 = 235,600.50 : x
  2. Step 2: Convert to fraction form
    153,490.50/235,600.50 = 235,600.50/x
  3. Step 3: Cross multiply
    153,490.50x = 235,600.50 × 235,600.50
  4. Step 4: Simplify right side
    153,490.50x = 55,507,595,600.25
  5. Step 5: Solve for x
    x = 55,507,595,600.25/153,490.50
  6. Step 6: Final answer
    x = 361,635.38

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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.