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Finding the Third Proportional to 4,289,530 and 8,931,899

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Solution

The third proportional to 4,289,530 and 8,931,899 is: 18,598,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289,530 : 8,931,899 = 8,931,899 : x
  2. Step 2: Convert to fraction form
    4,289,530/8,931,899 = 8,931,899/x
  3. Step 3: Cross multiply
    4,289,530x = 8,931,899 × 8,931,899
  4. Step 4: Simplify right side
    4,289,530x = 79,778,819,746,201
  5. Step 5: Solve for x
    x = 79,778,819,746,201/4,289,530
  6. Step 6: Final answer
    x = 18,598,499.08

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.