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Finding the Third Proportional to 468,276 and 992,280

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Solution

The third proportional to 468,276 and 992,280 is: 2,102,648.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,276 : 992,280 = 992,280 : x
  2. Step 2: Convert to fraction form
    468,276/992,280 = 992,280/x
  3. Step 3: Cross multiply
    468,276x = 992,280 × 992,280
  4. Step 4: Simplify right side
    468,276x = 984,619,598,400
  5. Step 5: Solve for x
    x = 984,619,598,400/468,276
  6. Step 6: Final answer
    x = 2,102,648.01

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.