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Finding the Third Proportional to 7,374,783,930 and 16,220,555,028

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Solution

The third proportional to 7,374,783,930 and 16,220,555,028 is: 35,676,490,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374,783,930 : 16,220,555,028 = 16,220,555,028 : x
  2. Step 2: Convert to fraction form
    7,374,783,930/16,220,555,028 = 16,220,555,028/x
  3. Step 3: Cross multiply
    7,374,783,930x = 16,220,555,028 × 16,220,555,028
  4. Step 4: Simplify right side
    7,374,783,930x = 263,106,405,416,376,074,240
  5. Step 5: Solve for x
    x = 263,106,405,416,376,074,240/7,374,783,930
  6. Step 6: Final answer
    x = 35,676,490,038.72

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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.