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Finding the Third Proportional to 18,015,284 and 38,829,912

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Solution

The third proportional to 18,015,284 and 38,829,912 is: 83,693,494.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015,284 : 38,829,912 = 38,829,912 : x
  2. Step 2: Convert to fraction form
    18,015,284/38,829,912 = 38,829,912/x
  3. Step 3: Cross multiply
    18,015,284x = 38,829,912 × 38,829,912
  4. Step 4: Simplify right side
    18,015,284x = 1,507,762,065,927,744
  5. Step 5: Solve for x
    x = 1,507,762,065,927,744/18,015,284
  6. Step 6: Final answer
    x = 83,693,494.14

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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.