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Finding the Third Proportional to 183,139.50 and 395,887

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Solution

The third proportional to 183,139.50 and 395,887 is: 855,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,139.50 : 395,887 = 395,887 : x
  2. Step 2: Convert to fraction form
    183,139.50/395,887 = 395,887/x
  3. Step 3: Cross multiply
    183,139.50x = 395,887 × 395,887
  4. Step 4: Simplify right side
    183,139.50x = 156,726,516,769
  5. Step 5: Solve for x
    x = 156,726,516,769/183,139.50
  6. Step 6: Final answer
    x = 855,776.70

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.