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Finding the Third Proportional to 18,048,915 and 38,975,031

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Solution

The third proportional to 18,048,915 and 38,975,031 is: 84,163,122.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048,915 : 38,975,031 = 38,975,031 : x
  2. Step 2: Convert to fraction form
    18,048,915/38,975,031 = 38,975,031/x
  3. Step 3: Cross multiply
    18,048,915x = 38,975,031 × 38,975,031
  4. Step 4: Simplify right side
    18,048,915x = 1,519,053,041,450,961
  5. Step 5: Solve for x
    x = 1,519,053,041,450,961/18,048,915
  6. Step 6: Final answer
    x = 84,163,122.35

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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.