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Finding the Third Proportional to 30,646,615 and 45,704,161.50

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Solution

The third proportional to 30,646,615 and 45,704,161.50 is: 68,159,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,646,615 : 45,704,161.50 = 45,704,161.50 : x
  2. Step 2: Convert to fraction form
    30,646,615/45,704,161.50 = 45,704,161.50/x
  3. Step 3: Cross multiply
    30,646,615x = 45,704,161.50 × 45,704,161.50
  4. Step 4: Simplify right side
    30,646,615x = 2,088,870,378,418,082.25
  5. Step 5: Solve for x
    x = 2,088,870,378,418,082.25/30,646,615
  6. Step 6: Final answer
    x = 68,159,905.37

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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.