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Finding the Third Proportional to 9,403,489.25 and 12,993,485.75

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Solution

The third proportional to 9,403,489.25 and 12,993,485.75 is: 17,954,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403,489.25 : 12,993,485.75 = 12,993,485.75 : x
  2. Step 2: Convert to fraction form
    9,403,489.25/12,993,485.75 = 12,993,485.75/x
  3. Step 3: Cross multiply
    9,403,489.25x = 12,993,485.75 × 12,993,485.75
  4. Step 4: Simplify right side
    9,403,489.25x = 168,830,671,935,453.06
  5. Step 5: Solve for x
    x = 168,830,671,935,453.06/9,403,489.25
  6. Step 6: Final answer
    x = 17,954,045.30

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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.