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Finding the Third Proportional to 413,059.50 and 611,914.50

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Solution

The third proportional to 413,059.50 and 611,914.50 is: 906,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,059.50 : 611,914.50 = 611,914.50 : x
  2. Step 2: Convert to fraction form
    413,059.50/611,914.50 = 611,914.50/x
  3. Step 3: Cross multiply
    413,059.50x = 611,914.50 × 611,914.50
  4. Step 4: Simplify right side
    413,059.50x = 374,439,355,310.25
  5. Step 5: Solve for x
    x = 374,439,355,310.25/413,059.50
  6. Step 6: Final answer
    x = 906,502.22

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.