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Finding the Third Proportional to 44,430 and 70,344

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Solution

The third proportional to 44,430 and 70,344 is: 111,372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,430 : 70,344 = 70,344 : x
  2. Step 2: Convert to fraction form
    44,430/70,344 = 70,344/x
  3. Step 3: Cross multiply
    44,430x = 70,344 × 70,344
  4. Step 4: Simplify right side
    44,430x = 4,948,278,336
  5. Step 5: Solve for x
    x = 4,948,278,336/44,430
  6. Step 6: Final answer
    x = 111,372.46

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.