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Finding the Third Proportional to 128,579,266 and 194,064,615

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Solution

The third proportional to 128,579,266 and 194,064,615 is: 292,901,616.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,579,266 : 194,064,615 = 194,064,615 : x
  2. Step 2: Convert to fraction form
    128,579,266/194,064,615 = 194,064,615/x
  3. Step 3: Cross multiply
    128,579,266x = 194,064,615 × 194,064,615
  4. Step 4: Simplify right side
    128,579,266x = 37,661,074,795,098,224
  5. Step 5: Solve for x
    x = 37,661,074,795,098,224/128,579,266
  6. Step 6: Final answer
    x = 292,901,616.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.