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Finding the Third Proportional to 371,319.19 and 557,799.75

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Solution

The third proportional to 371,319.19 and 557,799.75 is: 837,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,319.19 : 557,799.75 = 557,799.75 : x
  2. Step 2: Convert to fraction form
    371,319.19/557,799.75 = 557,799.75/x
  3. Step 3: Cross multiply
    371,319.19x = 557,799.75 × 557,799.75
  4. Step 4: Simplify right side
    371,319.19x = 311,140,561,100.06
  5. Step 5: Solve for x
    x = 311,140,561,100.06/371,319.19
  6. Step 6: Final answer
    x = 837,932.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.