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Finding the Third Proportional to 115,383,699 and 178,421,305.50

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Solution

The third proportional to 115,383,699 and 178,421,305.50 is: 275,898,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,383,699 : 178,421,305.50 = 178,421,305.50 : x
  2. Step 2: Convert to fraction form
    115,383,699/178,421,305.50 = 178,421,305.50/x
  3. Step 3: Cross multiply
    115,383,699x = 178,421,305.50 × 178,421,305.50
  4. Step 4: Simplify right side
    115,383,699x = 31,834,162,256,324,332
  5. Step 5: Solve for x
    x = 31,834,162,256,324,332/115,383,699
  6. Step 6: Final answer
    x = 275,898,264.07

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.