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Finding the Third Proportional to 711,617 and 1,554,561

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Solution

The third proportional to 711,617 and 1,554,561 is: 3,396,012.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,617 : 1,554,561 = 1,554,561 : x
  2. Step 2: Convert to fraction form
    711,617/1,554,561 = 1,554,561/x
  3. Step 3: Cross multiply
    711,617x = 1,554,561 × 1,554,561
  4. Step 4: Simplify right side
    711,617x = 2,416,659,902,721
  5. Step 5: Solve for x
    x = 2,416,659,902,721/711,617
  6. Step 6: Final answer
    x = 3,396,012.04

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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.