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Finding the Third Proportional to 9,403,491 and 12,993,489

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Solution

The third proportional to 9,403,491 and 12,993,489 is: 17,954,050.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403,491 : 12,993,489 = 12,993,489 : x
  2. Step 2: Convert to fraction form
    9,403,491/12,993,489 = 12,993,489/x
  3. Step 3: Cross multiply
    9,403,491x = 12,993,489 × 12,993,489
  4. Step 4: Simplify right side
    9,403,491x = 168,830,756,393,121
  5. Step 5: Solve for x
    x = 168,830,756,393,121/9,403,491
  6. Step 6: Final answer
    x = 17,954,050.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.