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Finding the Third Proportional to 98,551.69 and 139,466.81

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Solution

The third proportional to 98,551.69 and 139,466.81 is: 197,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,551.69 : 139,466.81 = 139,466.81 : x
  2. Step 2: Convert to fraction form
    98,551.69/139,466.81 = 139,466.81/x
  3. Step 3: Cross multiply
    98,551.69x = 139,466.81 × 139,466.81
  4. Step 4: Simplify right side
    98,551.69x = 19,450,991,788.91
  5. Step 5: Solve for x
    x = 19,450,991,788.91/98,551.69
  6. Step 6: Final answer
    x = 197,368.43

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.