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Finding the Third Proportional to 578,433 and 1,245,681

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Solution

The third proportional to 578,433 and 1,245,681 is: 2,682,629.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,433 : 1,245,681 = 1,245,681 : x
  2. Step 2: Convert to fraction form
    578,433/1,245,681 = 1,245,681/x
  3. Step 3: Cross multiply
    578,433x = 1,245,681 × 1,245,681
  4. Step 4: Simplify right side
    578,433x = 1,551,721,153,761
  5. Step 5: Solve for x
    x = 1,551,721,153,761/578,433
  6. Step 6: Final answer
    x = 2,682,629.02

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.