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Finding the Third Proportional to 18,546,196 and 39,834,728

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Solution

The third proportional to 18,546,196 and 39,834,728 is: 85,559,623.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546,196 : 39,834,728 = 39,834,728 : x
  2. Step 2: Convert to fraction form
    18,546,196/39,834,728 = 39,834,728/x
  3. Step 3: Cross multiply
    18,546,196x = 39,834,728 × 39,834,728
  4. Step 4: Simplify right side
    18,546,196x = 1,586,805,554,833,984
  5. Step 5: Solve for x
    x = 1,586,805,554,833,984/18,546,196
  6. Step 6: Final answer
    x = 85,559,623.92

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.