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Finding the Third Proportional to 12,917,079 and 20,000,750

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Solution

The third proportional to 12,917,079 and 20,000,750 is: 30,969,075.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,917,079 : 20,000,750 = 20,000,750 : x
  2. Step 2: Convert to fraction form
    12,917,079/20,000,750 = 20,000,750/x
  3. Step 3: Cross multiply
    12,917,079x = 20,000,750 × 20,000,750
  4. Step 4: Simplify right side
    12,917,079x = 400,030,000,562,500
  5. Step 5: Solve for x
    x = 400,030,000,562,500/12,917,079
  6. Step 6: Final answer
    x = 30,969,075.95

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