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Finding the Third Proportional to 96,840 and 216,360

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Solution

The third proportional to 96,840 and 216,360 is: 483,391.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,840 : 216,360 = 216,360 : x
  2. Step 2: Convert to fraction form
    96,840/216,360 = 216,360/x
  3. Step 3: Cross multiply
    96,840x = 216,360 × 216,360
  4. Step 4: Simplify right side
    96,840x = 46,811,649,600
  5. Step 5: Solve for x
    x = 46,811,649,600/96,840
  6. Step 6: Final answer
    x = 483,391.67

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.