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Finding the Third Proportional to 717,906 and 1,111,476.38

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Solution

The third proportional to 717,906 and 1,111,476.38 is: 1,720,809.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,906 : 1,111,476.38 = 1,111,476.38 : x
  2. Step 2: Convert to fraction form
    717,906/1,111,476.38 = 1,111,476.38/x
  3. Step 3: Cross multiply
    717,906x = 1,111,476.38 × 1,111,476.38
  4. Step 4: Simplify right side
    717,906x = 1,235,379,732,183.14
  5. Step 5: Solve for x
    x = 1,235,379,732,183.14/717,906
  6. Step 6: Final answer
    x = 1,720,809.87

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.