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Finding the Third Proportional to 453,313 and 993,816

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Solution

The third proportional to 453,313 and 993,816 is: 2,178,782.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,313 : 993,816 = 993,816 : x
  2. Step 2: Convert to fraction form
    453,313/993,816 = 993,816/x
  3. Step 3: Cross multiply
    453,313x = 993,816 × 993,816
  4. Step 4: Simplify right side
    453,313x = 987,670,241,856
  5. Step 5: Solve for x
    x = 987,670,241,856/453,313
  6. Step 6: Final answer
    x = 2,178,782.08

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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.