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Finding the Third Proportional to 988,206 and 2,154,844

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Solution

The third proportional to 988,206 and 2,154,844 is: 4,698,769.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,206 : 2,154,844 = 2,154,844 : x
  2. Step 2: Convert to fraction form
    988,206/2,154,844 = 2,154,844/x
  3. Step 3: Cross multiply
    988,206x = 2,154,844 × 2,154,844
  4. Step 4: Simplify right side
    988,206x = 4,643,352,664,336
  5. Step 5: Solve for x
    x = 4,643,352,664,336/988,206
  6. Step 6: Final answer
    x = 4,698,769.96

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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.