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Finding the Third Proportional to 114,315.75 and 154,206

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Solution

The third proportional to 114,315.75 and 154,206 is: 208,015.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,315.75 : 154,206 = 154,206 : x
  2. Step 2: Convert to fraction form
    114,315.75/154,206 = 154,206/x
  3. Step 3: Cross multiply
    114,315.75x = 154,206 × 154,206
  4. Step 4: Simplify right side
    114,315.75x = 23,779,490,436
  5. Step 5: Solve for x
    x = 23,779,490,436/114,315.75
  6. Step 6: Final answer
    x = 208,015.87

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.