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Finding the Third Proportional to 210,572 and 454,860

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Solution

The third proportional to 210,572 and 454,860 is: 982,550.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,572 : 454,860 = 454,860 : x
  2. Step 2: Convert to fraction form
    210,572/454,860 = 454,860/x
  3. Step 3: Cross multiply
    210,572x = 454,860 × 454,860
  4. Step 4: Simplify right side
    210,572x = 206,897,619,600
  5. Step 5: Solve for x
    x = 206,897,619,600/210,572
  6. Step 6: Final answer
    x = 982,550.48

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.