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Finding the Third Proportional to 815,799 and 1,761,316.50

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Solution

The third proportional to 815,799 and 1,761,316.50 is: 3,802,696.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,799 : 1,761,316.50 = 1,761,316.50 : x
  2. Step 2: Convert to fraction form
    815,799/1,761,316.50 = 1,761,316.50/x
  3. Step 3: Cross multiply
    815,799x = 1,761,316.50 × 1,761,316.50
  4. Step 4: Simplify right side
    815,799x = 3,102,235,813,172.25
  5. Step 5: Solve for x
    x = 3,102,235,813,172.25/815,799
  6. Step 6: Final answer
    x = 3,802,696.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.