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Finding the Third Proportional to 392,380 and 846,968

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Solution

The third proportional to 392,380 and 846,968 is: 1,828,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,380 : 846,968 = 846,968 : x
  2. Step 2: Convert to fraction form
    392,380/846,968 = 846,968/x
  3. Step 3: Cross multiply
    392,380x = 846,968 × 846,968
  4. Step 4: Simplify right side
    392,380x = 717,354,793,024
  5. Step 5: Solve for x
    x = 717,354,793,024/392,380
  6. Step 6: Final answer
    x = 1,828,214.47

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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.