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Finding the Third Proportional to 399,127.50 and 923,035.50

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Solution

The third proportional to 399,127.50 and 923,035.50 is: 2,134,642.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,127.50 : 923,035.50 = 923,035.50 : x
  2. Step 2: Convert to fraction form
    399,127.50/923,035.50 = 923,035.50/x
  3. Step 3: Cross multiply
    399,127.50x = 923,035.50 × 923,035.50
  4. Step 4: Simplify right side
    399,127.50x = 851,994,534,260.25
  5. Step 5: Solve for x
    x = 851,994,534,260.25/399,127.50
  6. Step 6: Final answer
    x = 2,134,642.52

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.