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Finding the Third Proportional to 222,780 and 467,430

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Solution

The third proportional to 222,780 and 467,430 is: 980,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,780 : 467,430 = 467,430 : x
  2. Step 2: Convert to fraction form
    222,780/467,430 = 467,430/x
  3. Step 3: Cross multiply
    222,780x = 467,430 × 467,430
  4. Step 4: Simplify right side
    222,780x = 218,490,804,900
  5. Step 5: Solve for x
    x = 218,490,804,900/222,780
  6. Step 6: Final answer
    x = 980,746.95

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.