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Finding the Third Proportional to 634,440 and 934,134

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Solution

The third proportional to 634,440 and 934,134 is: 1,375,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,440 : 934,134 = 934,134 : x
  2. Step 2: Convert to fraction form
    634,440/934,134 = 934,134/x
  3. Step 3: Cross multiply
    634,440x = 934,134 × 934,134
  4. Step 4: Simplify right side
    634,440x = 872,606,329,956
  5. Step 5: Solve for x
    x = 872,606,329,956/634,440
  6. Step 6: Final answer
    x = 1,375,396.14

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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.