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Finding the Third Proportional to 46,720 and 70,566

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Solution

The third proportional to 46,720 and 70,566 is: 106,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,720 : 70,566 = 70,566 : x
  2. Step 2: Convert to fraction form
    46,720/70,566 = 70,566/x
  3. Step 3: Cross multiply
    46,720x = 70,566 × 70,566
  4. Step 4: Simplify right side
    46,720x = 4,979,560,356
  5. Step 5: Solve for x
    x = 4,979,560,356/46,720
  6. Step 6: Final answer
    x = 106,583.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.