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Finding the Third Proportional to 634,406 and 934,085

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Solution

The third proportional to 634,406 and 934,085 is: 1,375,325.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,406 : 934,085 = 934,085 : x
  2. Step 2: Convert to fraction form
    634,406/934,085 = 934,085/x
  3. Step 3: Cross multiply
    634,406x = 934,085 × 934,085
  4. Step 4: Simplify right side
    634,406x = 872,514,787,225
  5. Step 5: Solve for x
    x = 872,514,787,225/634,406
  6. Step 6: Final answer
    x = 1,375,325.56

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.