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Finding the Third Proportional to 3,971,246.50 and 8,670,764

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Solution

The third proportional to 3,971,246.50 and 8,670,764 is: 18,931,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971,246.50 : 8,670,764 = 8,670,764 : x
  2. Step 2: Convert to fraction form
    3,971,246.50/8,670,764 = 8,670,764/x
  3. Step 3: Cross multiply
    3,971,246.50x = 8,670,764 × 8,670,764
  4. Step 4: Simplify right side
    3,971,246.50x = 75,182,148,343,696
  5. Step 5: Solve for x
    x = 75,182,148,343,696/3,971,246.50
  6. Step 6: Final answer
    x = 18,931,624.70

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.