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Finding the Third Proportional to 372,818 and 571,755

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Solution

The third proportional to 372,818 and 571,755 is: 876,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,818 : 571,755 = 571,755 : x
  2. Step 2: Convert to fraction form
    372,818/571,755 = 571,755/x
  3. Step 3: Cross multiply
    372,818x = 571,755 × 571,755
  4. Step 4: Simplify right side
    372,818x = 326,903,780,025
  5. Step 5: Solve for x
    x = 326,903,780,025/372,818
  6. Step 6: Final answer
    x = 876,845.48

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.