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Finding the Third Proportional to 98,764.50 and 214,389

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Solution

The third proportional to 98,764.50 and 214,389 is: 465,376.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,764.50 : 214,389 = 214,389 : x
  2. Step 2: Convert to fraction form
    98,764.50/214,389 = 214,389/x
  3. Step 3: Cross multiply
    98,764.50x = 214,389 × 214,389
  4. Step 4: Simplify right side
    98,764.50x = 45,962,643,321
  5. Step 5: Solve for x
    x = 45,962,643,321/98,764.50
  6. Step 6: Final answer
    x = 465,376.16

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.