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Finding the Third Proportional to 711,615 and 1,554,557

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Solution

The third proportional to 711,615 and 1,554,557 is: 3,396,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,615 : 1,554,557 = 1,554,557 : x
  2. Step 2: Convert to fraction form
    711,615/1,554,557 = 1,554,557/x
  3. Step 3: Cross multiply
    711,615x = 1,554,557 × 1,554,557
  4. Step 4: Simplify right side
    711,615x = 2,416,647,466,249
  5. Step 5: Solve for x
    x = 2,416,647,466,249/711,615
  6. Step 6: Final answer
    x = 3,396,004.11

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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.