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Finding the Third Proportional to 151,965 and 330,688.50

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Solution

The third proportional to 151,965 and 330,688.50 is: 719,605.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,965 : 330,688.50 = 330,688.50 : x
  2. Step 2: Convert to fraction form
    151,965/330,688.50 = 330,688.50/x
  3. Step 3: Cross multiply
    151,965x = 330,688.50 × 330,688.50
  4. Step 4: Simplify right side
    151,965x = 109,354,884,032.25
  5. Step 5: Solve for x
    x = 109,354,884,032.25/151,965
  6. Step 6: Final answer
    x = 719,605.73

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.