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Finding the Third Proportional to 887,025 and 1,389,879

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Solution

The third proportional to 887,025 and 1,389,879 is: 2,177,800.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,025 : 1,389,879 = 1,389,879 : x
  2. Step 2: Convert to fraction form
    887,025/1,389,879 = 1,389,879/x
  3. Step 3: Cross multiply
    887,025x = 1,389,879 × 1,389,879
  4. Step 4: Simplify right side
    887,025x = 1,931,763,634,641
  5. Step 5: Solve for x
    x = 1,931,763,634,641/887,025
  6. Step 6: Final answer
    x = 2,177,800.66

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.