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Finding the Third Proportional to 66,756 and 93,330

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Solution

The third proportional to 66,756 and 93,330 is: 130,482.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,756 : 93,330 = 93,330 : x
  2. Step 2: Convert to fraction form
    66,756/93,330 = 93,330/x
  3. Step 3: Cross multiply
    66,756x = 93,330 × 93,330
  4. Step 4: Simplify right side
    66,756x = 8,710,488,900
  5. Step 5: Solve for x
    x = 8,710,488,900/66,756
  6. Step 6: Final answer
    x = 130,482.49

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.