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Finding the Third Proportional to 1,081,644.50 and 1,681,465

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Solution

The third proportional to 1,081,644.50 and 1,681,465 is: 2,613,912.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,644.50 : 1,681,465 = 1,681,465 : x
  2. Step 2: Convert to fraction form
    1,081,644.50/1,681,465 = 1,681,465/x
  3. Step 3: Cross multiply
    1,081,644.50x = 1,681,465 × 1,681,465
  4. Step 4: Simplify right side
    1,081,644.50x = 2,827,324,546,225
  5. Step 5: Solve for x
    x = 2,827,324,546,225/1,081,644.50
  6. Step 6: Final answer
    x = 2,613,912.93

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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.