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Finding the Third Proportional to 198,683 and 432,833

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Solution

The third proportional to 198,683 and 432,833 is: 942,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,683 : 432,833 = 432,833 : x
  2. Step 2: Convert to fraction form
    198,683/432,833 = 432,833/x
  3. Step 3: Cross multiply
    198,683x = 432,833 × 432,833
  4. Step 4: Simplify right side
    198,683x = 187,344,405,889
  5. Step 5: Solve for x
    x = 187,344,405,889/198,683
  6. Step 6: Final answer
    x = 942,931.23

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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.