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Finding the Third Proportional to 3,931,348.50 and 8,590,077

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Solution

The third proportional to 3,931,348.50 and 8,590,077 is: 18,769,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,348.50 : 8,590,077 = 8,590,077 : x
  2. Step 2: Convert to fraction form
    3,931,348.50/8,590,077 = 8,590,077/x
  3. Step 3: Cross multiply
    3,931,348.50x = 8,590,077 × 8,590,077
  4. Step 4: Simplify right side
    3,931,348.50x = 73,789,422,865,929
  5. Step 5: Solve for x
    x = 73,789,422,865,929/3,931,348.50
  6. Step 6: Final answer
    x = 18,769,494.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.