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Finding the Third Proportional to 7,081,153,968 and 15,443,831,592

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Solution

The third proportional to 7,081,153,968 and 15,443,831,592 is: 33,682,636,378.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081,153,968 : 15,443,831,592 = 15,443,831,592 : x
  2. Step 2: Convert to fraction form
    7,081,153,968/15,443,831,592 = 15,443,831,592/x
  3. Step 3: Cross multiply
    7,081,153,968x = 15,443,831,592 × 15,443,831,592
  4. Step 4: Simplify right side
    7,081,153,968x = 238,511,934,242,057,256,960
  5. Step 5: Solve for x
    x = 238,511,934,242,057,256,960/7,081,153,968
  6. Step 6: Final answer
    x = 33,682,636,378.18

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.