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Finding the Third Proportional to 78,637,332,704 and 173,303,458,624

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Solution

The third proportional to 78,637,332,704 and 173,303,458,624 is: 381,931,682,297.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,637,332,704 : 173,303,458,624 = 173,303,458,624 : x
  2. Step 2: Convert to fraction form
    78,637,332,704/173,303,458,624 = 173,303,458,624/x
  3. Step 3: Cross multiply
    78,637,332,704x = 173,303,458,624 × 173,303,458,624
  4. Step 4: Simplify right side
    78,637,332,704x = 30,034,088,771,040,481,116,160
  5. Step 5: Solve for x
    x = 30,034,088,771,040,481,116,160/78,637,332,704
  6. Step 6: Final answer
    x = 381,931,682,297.67

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.