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Finding the Third Proportional to 2,616,419,457 and 4,021,617,168

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Solution

The third proportional to 2,616,419,457 and 4,021,617,168 is: 6,181,502,970.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616,419,457 : 4,021,617,168 = 4,021,617,168 : x
  2. Step 2: Convert to fraction form
    2,616,419,457/4,021,617,168 = 4,021,617,168/x
  3. Step 3: Cross multiply
    2,616,419,457x = 4,021,617,168 × 4,021,617,168
  4. Step 4: Simplify right side
    2,616,419,457x = 16,173,404,645,952,339,968
  5. Step 5: Solve for x
    x = 16,173,404,645,952,339,968/2,616,419,457
  6. Step 6: Final answer
    x = 6,181,502,970.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.