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Finding the Third Proportional to 30,408.70 and 48,423.68

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Solution

The third proportional to 30,408.70 and 48,423.68 is: 77,111.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408.70 : 48,423.68 = 48,423.68 : x
  2. Step 2: Convert to fraction form
    30,408.70/48,423.68 = 48,423.68/x
  3. Step 3: Cross multiply
    30,408.70x = 48,423.68 × 48,423.68
  4. Step 4: Simplify right side
    30,408.70x = 2,344,853,038.21
  5. Step 5: Solve for x
    x = 2,344,853,038.21/30,408.70
  6. Step 6: Final answer
    x = 77,111.26

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.