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Finding the Third Proportional to 757,200 and 1,129,236

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Solution

The third proportional to 757,200 and 1,129,236 is: 1,684,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,200 : 1,129,236 = 1,129,236 : x
  2. Step 2: Convert to fraction form
    757,200/1,129,236 = 1,129,236/x
  3. Step 3: Cross multiply
    757,200x = 1,129,236 × 1,129,236
  4. Step 4: Simplify right side
    757,200x = 1,275,173,943,696
  5. Step 5: Solve for x
    x = 1,275,173,943,696/757,200
  6. Step 6: Final answer
    x = 1,684,064.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.