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Finding the Third Proportional to 7,664,816 and 12,023,816

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Solution

The third proportional to 7,664,816 and 12,023,816 is: 18,861,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664,816 : 12,023,816 = 12,023,816 : x
  2. Step 2: Convert to fraction form
    7,664,816/12,023,816 = 12,023,816/x
  3. Step 3: Cross multiply
    7,664,816x = 12,023,816 × 12,023,816
  4. Step 4: Simplify right side
    7,664,816x = 144,572,151,201,856
  5. Step 5: Solve for x
    x = 144,572,151,201,856/7,664,816
  6. Step 6: Final answer
    x = 18,861,790.19

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.