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Finding the Third Proportional to 165,655,285 and 360,399,124

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Solution

The third proportional to 165,655,285 and 360,399,124 is: 784,083,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,655,285 : 360,399,124 = 360,399,124 : x
  2. Step 2: Convert to fraction form
    165,655,285/360,399,124 = 360,399,124/x
  3. Step 3: Cross multiply
    165,655,285x = 360,399,124 × 360,399,124
  4. Step 4: Simplify right side
    165,655,285x = 129,887,528,579,967,376
  5. Step 5: Solve for x
    x = 129,887,528,579,967,376/165,655,285
  6. Step 6: Final answer
    x = 784,083,215.82

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.