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Finding the Third Proportional to 159,041.25 and 243,659.25

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Solution

The third proportional to 159,041.25 and 243,659.25 is: 373,298.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,041.25 : 243,659.25 = 243,659.25 : x
  2. Step 2: Convert to fraction form
    159,041.25/243,659.25 = 243,659.25/x
  3. Step 3: Cross multiply
    159,041.25x = 243,659.25 × 243,659.25
  4. Step 4: Simplify right side
    159,041.25x = 59,369,830,110.56
  5. Step 5: Solve for x
    x = 59,369,830,110.56/159,041.25
  6. Step 6: Final answer
    x = 373,298.31

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.