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Finding the Third Proportional to 254,497,555.50 and 389,142,037.50

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Solution

The third proportional to 254,497,555.50 and 389,142,037.50 is: 595,021,531.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,497,555.50 : 389,142,037.50 = 389,142,037.50 : x
  2. Step 2: Convert to fraction form
    254,497,555.50/389,142,037.50 = 389,142,037.50/x
  3. Step 3: Cross multiply
    254,497,555.50x = 389,142,037.50 × 389,142,037.50
  4. Step 4: Simplify right side
    254,497,555.50x = 151,431,525,349,651,392
  5. Step 5: Solve for x
    x = 151,431,525,349,651,392/254,497,555.50
  6. Step 6: Final answer
    x = 595,021,531.94

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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.