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Finding the Third Proportional to 551,318 and 1,201,084

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Solution

The third proportional to 551,318 and 1,201,084 is: 2,616,643.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,318 : 1,201,084 = 1,201,084 : x
  2. Step 2: Convert to fraction form
    551,318/1,201,084 = 1,201,084/x
  3. Step 3: Cross multiply
    551,318x = 1,201,084 × 1,201,084
  4. Step 4: Simplify right side
    551,318x = 1,442,602,775,056
  5. Step 5: Solve for x
    x = 1,442,602,775,056/551,318
  6. Step 6: Final answer
    x = 2,616,643.71

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.