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Finding the Third Proportional to 52,874 and 70,490

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Solution

The third proportional to 52,874 and 70,490 is: 93,975.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,874 : 70,490 = 70,490 : x
  2. Step 2: Convert to fraction form
    52,874/70,490 = 70,490/x
  3. Step 3: Cross multiply
    52,874x = 70,490 × 70,490
  4. Step 4: Simplify right side
    52,874x = 4,968,840,100
  5. Step 5: Solve for x
    x = 4,968,840,100/52,874
  6. Step 6: Final answer
    x = 93,975.11

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.