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Finding the Third Proportional to 373,779.56 and 579,865.50

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Solution

The third proportional to 373,779.56 and 579,865.50 is: 899,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,779.56 : 579,865.50 = 579,865.50 : x
  2. Step 2: Convert to fraction form
    373,779.56/579,865.50 = 579,865.50/x
  3. Step 3: Cross multiply
    373,779.56x = 579,865.50 × 579,865.50
  4. Step 4: Simplify right side
    373,779.56x = 336,243,998,090.25
  5. Step 5: Solve for x
    x = 336,243,998,090.25/373,779.56
  6. Step 6: Final answer
    x = 899,578.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.