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Finding the Third Proportional to 8,315,236 and 12,438,948

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Solution

The third proportional to 8,315,236 and 12,438,948 is: 18,607,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,236 : 12,438,948 = 12,438,948 : x
  2. Step 2: Convert to fraction form
    8,315,236/12,438,948 = 12,438,948/x
  3. Step 3: Cross multiply
    8,315,236x = 12,438,948 × 12,438,948
  4. Step 4: Simplify right side
    8,315,236x = 154,727,427,346,704
  5. Step 5: Solve for x
    x = 154,727,427,346,704/8,315,236
  6. Step 6: Final answer
    x = 18,607,701.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.