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Finding the Third Proportional to 14,445 and 31,108.50

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Solution

The third proportional to 14,445 and 31,108.50 is: 66,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445 : 31,108.50 = 31,108.50 : x
  2. Step 2: Convert to fraction form
    14,445/31,108.50 = 31,108.50/x
  3. Step 3: Cross multiply
    14,445x = 31,108.50 × 31,108.50
  4. Step 4: Simplify right side
    14,445x = 967,738,772.25
  5. Step 5: Solve for x
    x = 967,738,772.25/14,445
  6. Step 6: Final answer
    x = 66,994.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.