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Finding the Third Proportional to 372,740 and 804,985

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Solution

The third proportional to 372,740 and 804,985 is: 1,738,479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,740 : 804,985 = 804,985 : x
  2. Step 2: Convert to fraction form
    372,740/804,985 = 804,985/x
  3. Step 3: Cross multiply
    372,740x = 804,985 × 804,985
  4. Step 4: Simplify right side
    372,740x = 648,000,850,225
  5. Step 5: Solve for x
    x = 648,000,850,225/372,740
  6. Step 6: Final answer
    x = 1,738,479.50

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.