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Finding the Third Proportional to 915,537.38 and 1,988,696.25

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Solution

The third proportional to 915,537.38 and 1,988,696.25 is: 4,319,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,537.38 : 1,988,696.25 = 1,988,696.25 : x
  2. Step 2: Convert to fraction form
    915,537.38/1,988,696.25 = 1,988,696.25/x
  3. Step 3: Cross multiply
    915,537.38x = 1,988,696.25 × 1,988,696.25
  4. Step 4: Simplify right side
    915,537.38x = 3,954,912,774,764.06
  5. Step 5: Solve for x
    x = 3,954,912,774,764.06/915,537.38
  6. Step 6: Final answer
    x = 4,319,772.06

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.