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Finding the Third Proportional to 576,438.75 and 920,869.88

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Solution

The third proportional to 576,438.75 and 920,869.88 is: 1,471,103.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,438.75 : 920,869.88 = 920,869.88 : x
  2. Step 2: Convert to fraction form
    576,438.75/920,869.88 = 920,869.88/x
  3. Step 3: Cross multiply
    576,438.75x = 920,869.88 × 920,869.88
  4. Step 4: Simplify right side
    576,438.75x = 848,001,326,682.52
  5. Step 5: Solve for x
    x = 848,001,326,682.52/576,438.75
  6. Step 6: Final answer
    x = 1,471,103.96

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.