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Finding the Third Proportional to 534,705 and 777,979.50

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Solution

The third proportional to 534,705 and 777,979.50 is: 1,131,936.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,705 : 777,979.50 = 777,979.50 : x
  2. Step 2: Convert to fraction form
    534,705/777,979.50 = 777,979.50/x
  3. Step 3: Cross multiply
    534,705x = 777,979.50 × 777,979.50
  4. Step 4: Simplify right side
    534,705x = 605,252,102,420.25
  5. Step 5: Solve for x
    x = 605,252,102,420.25/534,705
  6. Step 6: Final answer
    x = 1,131,936.49

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.