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Finding the Third Proportional to 12,950,216 and 18,709,280

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Solution

The third proportional to 12,950,216 and 18,709,280 is: 27,029,445.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,216 : 18,709,280 = 18,709,280 : x
  2. Step 2: Convert to fraction form
    12,950,216/18,709,280 = 18,709,280/x
  3. Step 3: Cross multiply
    12,950,216x = 18,709,280 × 18,709,280
  4. Step 4: Simplify right side
    12,950,216x = 350,037,158,118,400
  5. Step 5: Solve for x
    x = 350,037,158,118,400/12,950,216
  6. Step 6: Final answer
    x = 27,029,445.54

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.