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Finding the Third Proportional to 393,141 and 589,090.50

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Solution

The third proportional to 393,141 and 589,090.50 is: 882,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,141 : 589,090.50 = 589,090.50 : x
  2. Step 2: Convert to fraction form
    393,141/589,090.50 = 589,090.50/x
  3. Step 3: Cross multiply
    393,141x = 589,090.50 × 589,090.50
  4. Step 4: Simplify right side
    393,141x = 347,027,617,190.25
  5. Step 5: Solve for x
    x = 347,027,617,190.25/393,141
  6. Step 6: Final answer
    x = 882,705.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.