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Finding the Third Proportional to 44,436 and 74,070

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Solution

The third proportional to 44,436 and 74,070 is: 123,466.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,436 : 74,070 = 74,070 : x
  2. Step 2: Convert to fraction form
    44,436/74,070 = 74,070/x
  3. Step 3: Cross multiply
    44,436x = 74,070 × 74,070
  4. Step 4: Simplify right side
    44,436x = 5,486,364,900
  5. Step 5: Solve for x
    x = 5,486,364,900/44,436
  6. Step 6: Final answer
    x = 123,466.67

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.