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Finding the Third Proportional to 98,724 and 214,968

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Solution

The third proportional to 98,724 and 214,968 is: 468,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,724 : 214,968 = 214,968 : x
  2. Step 2: Convert to fraction form
    98,724/214,968 = 214,968/x
  3. Step 3: Cross multiply
    98,724x = 214,968 × 214,968
  4. Step 4: Simplify right side
    98,724x = 46,211,241,024
  5. Step 5: Solve for x
    x = 46,211,241,024/98,724
  6. Step 6: Final answer
    x = 468,085.18

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.