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Finding the Third Proportional to 215,486.50 and 341,044.50

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Solution

The third proportional to 215,486.50 and 341,044.50 is: 539,761.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,486.50 : 341,044.50 = 341,044.50 : x
  2. Step 2: Convert to fraction form
    215,486.50/341,044.50 = 341,044.50/x
  3. Step 3: Cross multiply
    215,486.50x = 341,044.50 × 341,044.50
  4. Step 4: Simplify right side
    215,486.50x = 116,311,350,980.25
  5. Step 5: Solve for x
    x = 116,311,350,980.25/215,486.50
  6. Step 6: Final answer
    x = 539,761.66

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.