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Finding the Third Proportional to 554,427 and 1,187,586

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Solution

The third proportional to 554,427 and 1,187,586 is: 2,543,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,427 : 1,187,586 = 1,187,586 : x
  2. Step 2: Convert to fraction form
    554,427/1,187,586 = 1,187,586/x
  3. Step 3: Cross multiply
    554,427x = 1,187,586 × 1,187,586
  4. Step 4: Simplify right side
    554,427x = 1,410,360,507,396
  5. Step 5: Solve for x
    x = 1,410,360,507,396/554,427
  6. Step 6: Final answer
    x = 2,543,816.42

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.