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Finding the Third Proportional to 8,385,433.50 and 12,528,018

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Solution

The third proportional to 8,385,433.50 and 12,528,018 is: 18,717,128.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385,433.50 : 12,528,018 = 12,528,018 : x
  2. Step 2: Convert to fraction form
    8,385,433.50/12,528,018 = 12,528,018/x
  3. Step 3: Cross multiply
    8,385,433.50x = 12,528,018 × 12,528,018
  4. Step 4: Simplify right side
    8,385,433.50x = 156,951,235,008,324
  5. Step 5: Solve for x
    x = 156,951,235,008,324/8,385,433.50
  6. Step 6: Final answer
    x = 18,717,128.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.