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Finding the Third Proportional to 44,520 and 68,460

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Solution

The third proportional to 44,520 and 68,460 is: 105,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,520 : 68,460 = 68,460 : x
  2. Step 2: Convert to fraction form
    44,520/68,460 = 68,460/x
  3. Step 3: Cross multiply
    44,520x = 68,460 × 68,460
  4. Step 4: Simplify right side
    44,520x = 4,686,771,600
  5. Step 5: Solve for x
    x = 4,686,771,600/44,520
  6. Step 6: Final answer
    x = 105,273.40

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.