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Finding the Third Proportional to 201,803 and 442,968

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Solution

The third proportional to 201,803 and 442,968 is: 972,337.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,803 : 442,968 = 442,968 : x
  2. Step 2: Convert to fraction form
    201,803/442,968 = 442,968/x
  3. Step 3: Cross multiply
    201,803x = 442,968 × 442,968
  4. Step 4: Simplify right side
    201,803x = 196,220,649,024
  5. Step 5: Solve for x
    x = 196,220,649,024/201,803
  6. Step 6: Final answer
    x = 972,337.62

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.