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Finding the Third Proportional to 4,046,446.50 and 8,666,790

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Solution

The third proportional to 4,046,446.50 and 8,666,790 is: 18,562,768.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,046,446.50 : 8,666,790 = 8,666,790 : x
  2. Step 2: Convert to fraction form
    4,046,446.50/8,666,790 = 8,666,790/x
  3. Step 3: Cross multiply
    4,046,446.50x = 8,666,790 × 8,666,790
  4. Step 4: Simplify right side
    4,046,446.50x = 75,113,248,904,100
  5. Step 5: Solve for x
    x = 75,113,248,904,100/4,046,446.50
  6. Step 6: Final answer
    x = 18,562,768.32

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.