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Finding the Third Proportional to 20,346,453.50 and 30,309,495

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Solution

The third proportional to 20,346,453.50 and 30,309,495 is: 45,151,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346,453.50 : 30,309,495 = 30,309,495 : x
  2. Step 2: Convert to fraction form
    20,346,453.50/30,309,495 = 30,309,495/x
  3. Step 3: Cross multiply
    20,346,453.50x = 30,309,495 × 30,309,495
  4. Step 4: Simplify right side
    20,346,453.50x = 918,665,487,155,025
  5. Step 5: Solve for x
    x = 918,665,487,155,025/20,346,453.50
  6. Step 6: Final answer
    x = 45,151,135.90

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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.