Home / 279,264,664,588.50-399,348,945,936.75

Finding the Third Proportional to 279,264,664,588.50 and 399,348,945,936.75

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Solution

The third proportional to 279,264,664,588.50 and 399,348,945,936.75 is: 571,069,672,762.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,264,664,588.50 : 399,348,945,936.75 = 399,348,945,936.75 : x
  2. Step 2: Convert to fraction form
    279,264,664,588.50/399,348,945,936.75 = 399,348,945,936.75/x
  3. Step 3: Cross multiply
    279,264,664,588.50x = 399,348,945,936.75 × 399,348,945,936.75
  4. Step 4: Simplify right side
    279,264,664,588.50x = 159,479,580,620,793,277,579,264
  5. Step 5: Solve for x
    x = 159,479,580,620,793,277,579,264/279,264,664,588.50
  6. Step 6: Final answer
    x = 571,069,672,762.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.