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Finding the Third Proportional to 5,395,418 and 11,289,688

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Solution

The third proportional to 5,395,418 and 11,289,688 is: 23,623,203.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395,418 : 11,289,688 = 11,289,688 : x
  2. Step 2: Convert to fraction form
    5,395,418/11,289,688 = 11,289,688/x
  3. Step 3: Cross multiply
    5,395,418x = 11,289,688 × 11,289,688
  4. Step 4: Simplify right side
    5,395,418x = 127,457,055,137,344
  5. Step 5: Solve for x
    x = 127,457,055,137,344/5,395,418
  6. Step 6: Final answer
    x = 23,623,203.08

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.