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Finding the Third Proportional to 698,037.75 and 1,519,680.38

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Solution

The third proportional to 698,037.75 and 1,519,680.38 is: 3,308,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,037.75 : 1,519,680.38 = 1,519,680.38 : x
  2. Step 2: Convert to fraction form
    698,037.75/1,519,680.38 = 1,519,680.38/x
  3. Step 3: Cross multiply
    698,037.75x = 1,519,680.38 × 1,519,680.38
  4. Step 4: Simplify right side
    698,037.75x = 2,309,428,442,160.14
  5. Step 5: Solve for x
    x = 2,309,428,442,160.14/698,037.75
  6. Step 6: Final answer
    x = 3,308,457.80

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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.