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Finding the Third Proportional to 330,009 and 514,723.50

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Solution

The third proportional to 330,009 and 514,723.50 is: 802,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,009 : 514,723.50 = 514,723.50 : x
  2. Step 2: Convert to fraction form
    330,009/514,723.50 = 514,723.50/x
  3. Step 3: Cross multiply
    330,009x = 514,723.50 × 514,723.50
  4. Step 4: Simplify right side
    330,009x = 264,940,281,452.25
  5. Step 5: Solve for x
    x = 264,940,281,452.25/330,009
  6. Step 6: Final answer
    x = 802,827.44

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.