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Finding the Third Proportional to 203,360.63 and 309,187.13

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Solution

The third proportional to 203,360.63 and 309,187.13 is: 470,084.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,360.63 : 309,187.13 = 309,187.13 : x
  2. Step 2: Convert to fraction form
    203,360.63/309,187.13 = 309,187.13/x
  3. Step 3: Cross multiply
    203,360.63x = 309,187.13 × 309,187.13
  4. Step 4: Simplify right side
    203,360.63x = 95,596,678,265.77
  5. Step 5: Solve for x
    x = 95,596,678,265.77/203,360.63
  6. Step 6: Final answer
    x = 470,084.50

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.