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Finding the Third Proportional to 899,779.64 and 1,379,735.02

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Solution

The third proportional to 899,779.64 and 1,379,735.02 is: 2,115,705.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,779.64 : 1,379,735.02 = 1,379,735.02 : x
  2. Step 2: Convert to fraction form
    899,779.64/1,379,735.02 = 1,379,735.02/x
  3. Step 3: Cross multiply
    899,779.64x = 1,379,735.02 × 1,379,735.02
  4. Step 4: Simplify right side
    899,779.64x = 1,903,668,713,341.72
  5. Step 5: Solve for x
    x = 1,903,668,713,341.72/899,779.64
  6. Step 6: Final answer
    x = 2,115,705.48

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.