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Finding the Third Proportional to 148,946.25 and 319,212.75

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Solution

The third proportional to 148,946.25 and 319,212.75 is: 684,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,946.25 : 319,212.75 = 319,212.75 : x
  2. Step 2: Convert to fraction form
    148,946.25/319,212.75 = 319,212.75/x
  3. Step 3: Cross multiply
    148,946.25x = 319,212.75 × 319,212.75
  4. Step 4: Simplify right side
    148,946.25x = 101,896,779,762.56
  5. Step 5: Solve for x
    x = 101,896,779,762.56/148,946.25
  6. Step 6: Final answer
    x = 684,117.79

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.