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Finding the Third Proportional to 251,812.50 and 380,148

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Solution

The third proportional to 251,812.50 and 380,148 is: 573,889.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,812.50 : 380,148 = 380,148 : x
  2. Step 2: Convert to fraction form
    251,812.50/380,148 = 380,148/x
  3. Step 3: Cross multiply
    251,812.50x = 380,148 × 380,148
  4. Step 4: Simplify right side
    251,812.50x = 144,512,501,904
  5. Step 5: Solve for x
    x = 144,512,501,904/251,812.50
  6. Step 6: Final answer
    x = 573,889.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.