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Finding the Third Proportional to 431,055 and 936,724

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Solution

The third proportional to 431,055 and 936,724 is: 2,035,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,055 : 936,724 = 936,724 : x
  2. Step 2: Convert to fraction form
    431,055/936,724 = 936,724/x
  3. Step 3: Cross multiply
    431,055x = 936,724 × 936,724
  4. Step 4: Simplify right side
    431,055x = 877,451,852,176
  5. Step 5: Solve for x
    x = 877,451,852,176/431,055
  6. Step 6: Final answer
    x = 2,035,591.40

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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.