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Finding the Third Proportional to 8,242,912 and 12,609,808

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Solution

The third proportional to 8,242,912 and 12,609,808 is: 19,290,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242,912 : 12,609,808 = 12,609,808 : x
  2. Step 2: Convert to fraction form
    8,242,912/12,609,808 = 12,609,808/x
  3. Step 3: Cross multiply
    8,242,912x = 12,609,808 × 12,609,808
  4. Step 4: Simplify right side
    8,242,912x = 159,007,257,796,864
  5. Step 5: Solve for x
    x = 159,007,257,796,864/8,242,912
  6. Step 6: Final answer
    x = 19,290,180.19

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.