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Finding the Third Proportional to 553,683 and 854,135

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Solution

The third proportional to 553,683 and 854,135 is: 1,317,625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,683 : 854,135 = 854,135 : x
  2. Step 2: Convert to fraction form
    553,683/854,135 = 854,135/x
  3. Step 3: Cross multiply
    553,683x = 854,135 × 854,135
  4. Step 4: Simplify right side
    553,683x = 729,546,598,225
  5. Step 5: Solve for x
    x = 729,546,598,225/553,683
  6. Step 6: Final answer
    x = 1,317,625.06

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.