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Finding the Third Proportional to 12,628,305 and 18,470,065.50

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Solution

The third proportional to 12,628,305 and 18,470,065.50 is: 27,014,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628,305 : 18,470,065.50 = 18,470,065.50 : x
  2. Step 2: Convert to fraction form
    12,628,305/18,470,065.50 = 18,470,065.50/x
  3. Step 3: Cross multiply
    12,628,305x = 18,470,065.50 × 18,470,065.50
  4. Step 4: Simplify right side
    12,628,305x = 341,143,319,574,290.25
  5. Step 5: Solve for x
    x = 341,143,319,574,290.25/12,628,305
  6. Step 6: Final answer
    x = 27,014,181.20

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.