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Finding the Third Proportional to 46,860 and 70,216

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Solution

The third proportional to 46,860 and 70,216 is: 105,213.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,860 : 70,216 = 70,216 : x
  2. Step 2: Convert to fraction form
    46,860/70,216 = 70,216/x
  3. Step 3: Cross multiply
    46,860x = 70,216 × 70,216
  4. Step 4: Simplify right side
    46,860x = 4,930,286,656
  5. Step 5: Solve for x
    x = 4,930,286,656/46,860
  6. Step 6: Final answer
    x = 105,213.12

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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.