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Finding the Third Proportional to 786,279 and 1,719,769.50

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Solution

The third proportional to 786,279 and 1,719,769.50 is: 3,761,523.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,279 : 1,719,769.50 = 1,719,769.50 : x
  2. Step 2: Convert to fraction form
    786,279/1,719,769.50 = 1,719,769.50/x
  3. Step 3: Cross multiply
    786,279x = 1,719,769.50 × 1,719,769.50
  4. Step 4: Simplify right side
    786,279x = 2,957,607,133,130.25
  5. Step 5: Solve for x
    x = 2,957,607,133,130.25/786,279
  6. Step 6: Final answer
    x = 3,761,523.75

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.