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Finding the Third Proportional to 3,939,948.50 and 8,627,230

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Solution

The third proportional to 3,939,948.50 and 8,627,230 is: 18,890,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,948.50 : 8,627,230 = 8,627,230 : x
  2. Step 2: Convert to fraction form
    3,939,948.50/8,627,230 = 8,627,230/x
  3. Step 3: Cross multiply
    3,939,948.50x = 8,627,230 × 8,627,230
  4. Step 4: Simplify right side
    3,939,948.50x = 74,429,097,472,900
  5. Step 5: Solve for x
    x = 74,429,097,472,900/3,939,948.50
  6. Step 6: Final answer
    x = 18,890,880.80

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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.