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Finding the Third Proportional to 435,347 and 672,722

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Solution

The third proportional to 435,347 and 672,722 is: 1,039,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,347 : 672,722 = 672,722 : x
  2. Step 2: Convert to fraction form
    435,347/672,722 = 672,722/x
  3. Step 3: Cross multiply
    435,347x = 672,722 × 672,722
  4. Step 4: Simplify right side
    435,347x = 452,554,889,284
  5. Step 5: Solve for x
    x = 452,554,889,284/435,347
  6. Step 6: Final answer
    x = 1,039,526.84

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