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Finding the Third Proportional to 124,390.50 and 191,307

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Solution

The third proportional to 124,390.50 and 191,307 is: 294,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,390.50 : 191,307 = 191,307 : x
  2. Step 2: Convert to fraction form
    124,390.50/191,307 = 191,307/x
  3. Step 3: Cross multiply
    124,390.50x = 191,307 × 191,307
  4. Step 4: Simplify right side
    124,390.50x = 36,598,368,249
  5. Step 5: Solve for x
    x = 36,598,368,249/124,390.50
  6. Step 6: Final answer
    x = 294,221.57

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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.