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Finding the Third Proportional to 453,336 and 992,640

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Solution

The third proportional to 453,336 and 992,640 is: 2,173,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,336 : 992,640 = 992,640 : x
  2. Step 2: Convert to fraction form
    453,336/992,640 = 992,640/x
  3. Step 3: Cross multiply
    453,336x = 992,640 × 992,640
  4. Step 4: Simplify right side
    453,336x = 985,334,169,600
  5. Step 5: Solve for x
    x = 985,334,169,600/453,336
  6. Step 6: Final answer
    x = 2,173,518.47

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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.