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Finding the Third Proportional to 988,368 and 2,165,844

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Solution

The third proportional to 988,368 and 2,165,844 is: 4,746,086.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,368 : 2,165,844 = 2,165,844 : x
  2. Step 2: Convert to fraction form
    988,368/2,165,844 = 2,165,844/x
  3. Step 3: Cross multiply
    988,368x = 2,165,844 × 2,165,844
  4. Step 4: Simplify right side
    988,368x = 4,690,880,232,336
  5. Step 5: Solve for x
    x = 4,690,880,232,336/988,368
  6. Step 6: Final answer
    x = 4,746,086.71

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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.