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Finding the Third Proportional to 115,724 and 180,352.50

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Solution

The third proportional to 115,724 and 180,352.50 is: 281,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,724 : 180,352.50 = 180,352.50 : x
  2. Step 2: Convert to fraction form
    115,724/180,352.50 = 180,352.50/x
  3. Step 3: Cross multiply
    115,724x = 180,352.50 × 180,352.50
  4. Step 4: Simplify right side
    115,724x = 32,527,024,256.25
  5. Step 5: Solve for x
    x = 32,527,024,256.25/115,724
  6. Step 6: Final answer
    x = 281,074.14

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.