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Finding the Third Proportional to 12,566,941.50 and 19,539,171

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Solution

The third proportional to 12,566,941.50 and 19,539,171 is: 30,379,643.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566,941.50 : 19,539,171 = 19,539,171 : x
  2. Step 2: Convert to fraction form
    12,566,941.50/19,539,171 = 19,539,171/x
  3. Step 3: Cross multiply
    12,566,941.50x = 19,539,171 × 19,539,171
  4. Step 4: Simplify right side
    12,566,941.50x = 381,779,203,367,241
  5. Step 5: Solve for x
    x = 381,779,203,367,241/12,566,941.50
  6. Step 6: Final answer
    x = 30,379,643.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.