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Finding the Third Proportional to 873,666 and 1,318,518

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Solution

The third proportional to 873,666 and 1,318,518 is: 1,989,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,666 : 1,318,518 = 1,318,518 : x
  2. Step 2: Convert to fraction form
    873,666/1,318,518 = 1,318,518/x
  3. Step 3: Cross multiply
    873,666x = 1,318,518 × 1,318,518
  4. Step 4: Simplify right side
    873,666x = 1,738,489,716,324
  5. Step 5: Solve for x
    x = 1,738,489,716,324/873,666
  6. Step 6: Final answer
    x = 1,989,879.10

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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.