Home / 268,834,141.50-415,190,182.50

Finding the Third Proportional to 268,834,141.50 and 415,190,182.50

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Solution

The third proportional to 268,834,141.50 and 415,190,182.50 is: 641,223,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,834,141.50 : 415,190,182.50 = 415,190,182.50 : x
  2. Step 2: Convert to fraction form
    268,834,141.50/415,190,182.50 = 415,190,182.50/x
  3. Step 3: Cross multiply
    268,834,141.50x = 415,190,182.50 × 415,190,182.50
  4. Step 4: Simplify right side
    268,834,141.50x = 172,382,887,644,383,296
  5. Step 5: Solve for x
    x = 172,382,887,644,383,296/268,834,141.50
  6. Step 6: Final answer
    x = 641,223,940.84

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.