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Finding the Third Proportional to 912,022 and 1,979,808

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Solution

The third proportional to 912,022 and 1,979,808 is: 4,297,746.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,022 : 1,979,808 = 1,979,808 : x
  2. Step 2: Convert to fraction form
    912,022/1,979,808 = 1,979,808/x
  3. Step 3: Cross multiply
    912,022x = 1,979,808 × 1,979,808
  4. Step 4: Simplify right side
    912,022x = 3,919,639,716,864
  5. Step 5: Solve for x
    x = 3,919,639,716,864/912,022
  6. Step 6: Final answer
    x = 4,297,746.89

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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.