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Finding the Third Proportional to 453,438 and 976,860

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Solution

The third proportional to 453,438 and 976,860 is: 2,104,489.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,438 : 976,860 = 976,860 : x
  2. Step 2: Convert to fraction form
    453,438/976,860 = 976,860/x
  3. Step 3: Cross multiply
    453,438x = 976,860 × 976,860
  4. Step 4: Simplify right side
    453,438x = 954,255,459,600
  5. Step 5: Solve for x
    x = 954,255,459,600/453,438
  6. Step 6: Final answer
    x = 2,104,489.39

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.