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Finding the Third Proportional to 18,017,640 and 38,869,628

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Solution

The third proportional to 18,017,640 and 38,869,628 is: 83,853,822.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017,640 : 38,869,628 = 38,869,628 : x
  2. Step 2: Convert to fraction form
    18,017,640/38,869,628 = 38,869,628/x
  3. Step 3: Cross multiply
    18,017,640x = 38,869,628 × 38,869,628
  4. Step 4: Simplify right side
    18,017,640x = 1,510,847,980,858,384
  5. Step 5: Solve for x
    x = 1,510,847,980,858,384/18,017,640
  6. Step 6: Final answer
    x = 83,853,822.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.