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Finding the Third Proportional to 4,129,685 and 8,857,048.50

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Solution

The third proportional to 4,129,685 and 8,857,048.50 is: 18,995,954.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129,685 : 8,857,048.50 = 8,857,048.50 : x
  2. Step 2: Convert to fraction form
    4,129,685/8,857,048.50 = 8,857,048.50/x
  3. Step 3: Cross multiply
    4,129,685x = 8,857,048.50 × 8,857,048.50
  4. Step 4: Simplify right side
    4,129,685x = 78,447,308,131,352.25
  5. Step 5: Solve for x
    x = 78,447,308,131,352.25/4,129,685
  6. Step 6: Final answer
    x = 18,995,954.44

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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.