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Finding the Third Proportional to 406,653.75 and 883,311.19

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Solution

The third proportional to 406,653.75 and 883,311.19 is: 1,918,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,653.75 : 883,311.19 = 883,311.19 : x
  2. Step 2: Convert to fraction form
    406,653.75/883,311.19 = 883,311.19/x
  3. Step 3: Cross multiply
    406,653.75x = 883,311.19 × 883,311.19
  4. Step 4: Simplify right side
    406,653.75x = 780,238,653,962.66
  5. Step 5: Solve for x
    x = 780,238,653,962.66/406,653.75
  6. Step 6: Final answer
    x = 1,918,680.58

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.