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Finding the Third Proportional to 820,402.88 and 1,241,926.88

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Solution

The third proportional to 820,402.88 and 1,241,926.88 is: 1,880,030.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,402.88 : 1,241,926.88 = 1,241,926.88 : x
  2. Step 2: Convert to fraction form
    820,402.88/1,241,926.88 = 1,241,926.88/x
  3. Step 3: Cross multiply
    820,402.88x = 1,241,926.88 × 1,241,926.88
  4. Step 4: Simplify right side
    820,402.88x = 1,542,382,362,847.27
  5. Step 5: Solve for x
    x = 1,542,382,362,847.27/820,402.88
  6. Step 6: Final answer
    x = 1,880,030.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.