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Finding the Third Proportional to 1,939,873.64 and 4,572,821.67

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Solution

The third proportional to 1,939,873.64 and 4,572,821.67 is: 10,779,412.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,873.64 : 4,572,821.67 = 4,572,821.67 : x
  2. Step 2: Convert to fraction form
    1,939,873.64/4,572,821.67 = 4,572,821.67/x
  3. Step 3: Cross multiply
    1,939,873.64x = 4,572,821.67 × 4,572,821.67
  4. Step 4: Simplify right side
    1,939,873.64x = 20,910,698,042,769.67
  5. Step 5: Solve for x
    x = 20,910,698,042,769.67/1,939,873.64
  6. Step 6: Final answer
    x = 10,779,412.43

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.