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Finding the Third Proportional to 104,880 and 157,290

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Solution

The third proportional to 104,880 and 157,290 is: 235,890.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,880 : 157,290 = 157,290 : x
  2. Step 2: Convert to fraction form
    104,880/157,290 = 157,290/x
  3. Step 3: Cross multiply
    104,880x = 157,290 × 157,290
  4. Step 4: Simplify right side
    104,880x = 24,740,144,100
  5. Step 5: Solve for x
    x = 24,740,144,100/104,880
  6. Step 6: Final answer
    x = 235,890.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.