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Finding the Third Proportional to 124,445.25 and 191,389.50

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Solution

The third proportional to 124,445.25 and 191,389.50 is: 294,345.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,445.25 : 191,389.50 = 191,389.50 : x
  2. Step 2: Convert to fraction form
    124,445.25/191,389.50 = 191,389.50/x
  3. Step 3: Cross multiply
    124,445.25x = 191,389.50 × 191,389.50
  4. Step 4: Simplify right side
    124,445.25x = 36,629,940,710.25
  5. Step 5: Solve for x
    x = 36,629,940,710.25/124,445.25
  6. Step 6: Final answer
    x = 294,345.83

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.