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Finding the Third Proportional to 161,939,305.50 and 349,682,545.50

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Solution

The third proportional to 161,939,305.50 and 349,682,545.50 is: 755,084,642.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,939,305.50 : 349,682,545.50 = 349,682,545.50 : x
  2. Step 2: Convert to fraction form
    161,939,305.50/349,682,545.50 = 349,682,545.50/x
  3. Step 3: Cross multiply
    161,939,305.50x = 349,682,545.50 × 349,682,545.50
  4. Step 4: Simplify right side
    161,939,305.50x = 122,277,882,627,359,568
  5. Step 5: Solve for x
    x = 122,277,882,627,359,568/161,939,305.50
  6. Step 6: Final answer
    x = 755,084,642.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.