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Finding the Third Proportional to 45,252 and 70,416

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Solution

The third proportional to 45,252 and 70,416 is: 109,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,252 : 70,416 = 70,416 : x
  2. Step 2: Convert to fraction form
    45,252/70,416 = 70,416/x
  3. Step 3: Cross multiply
    45,252x = 70,416 × 70,416
  4. Step 4: Simplify right side
    45,252x = 4,958,413,056
  5. Step 5: Solve for x
    x = 4,958,413,056/45,252
  6. Step 6: Final answer
    x = 109,573.35

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.