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Finding the Third Proportional to 31,002.75 and 46,416

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Solution

The third proportional to 31,002.75 and 46,416 is: 69,492.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,002.75 : 46,416 = 46,416 : x
  2. Step 2: Convert to fraction form
    31,002.75/46,416 = 46,416/x
  3. Step 3: Cross multiply
    31,002.75x = 46,416 × 46,416
  4. Step 4: Simplify right side
    31,002.75x = 2,154,445,056
  5. Step 5: Solve for x
    x = 2,154,445,056/31,002.75
  6. Step 6: Final answer
    x = 69,492.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.