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Finding the Third Proportional to 552,287 and 1,191,487

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Solution

The third proportional to 552,287 and 1,191,487 is: 2,570,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,287 : 1,191,487 = 1,191,487 : x
  2. Step 2: Convert to fraction form
    552,287/1,191,487 = 1,191,487/x
  3. Step 3: Cross multiply
    552,287x = 1,191,487 × 1,191,487
  4. Step 4: Simplify right side
    552,287x = 1,419,641,271,169
  5. Step 5: Solve for x
    x = 1,419,641,271,169/552,287
  6. Step 6: Final answer
    x = 2,570,477.44

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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.