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Finding the Third Proportional to 372,200.06 and 558,368.44

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Solution

The third proportional to 372,200.06 and 558,368.44 is: 837,655.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,200.06 : 558,368.44 = 558,368.44 : x
  2. Step 2: Convert to fraction form
    372,200.06/558,368.44 = 558,368.44/x
  3. Step 3: Cross multiply
    372,200.06x = 558,368.44 × 558,368.44
  4. Step 4: Simplify right side
    372,200.06x = 311,775,311,996.19
  5. Step 5: Solve for x
    x = 311,775,311,996.19/372,200.06
  6. Step 6: Final answer
    x = 837,655.18

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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.