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Finding the Third Proportional to 15,258,000 and 21,384,036

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Solution

The third proportional to 15,258,000 and 21,384,036 is: 29,969,654.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,258,000 : 21,384,036 = 21,384,036 : x
  2. Step 2: Convert to fraction form
    15,258,000/21,384,036 = 21,384,036/x
  3. Step 3: Cross multiply
    15,258,000x = 21,384,036 × 21,384,036
  4. Step 4: Simplify right side
    15,258,000x = 457,276,995,649,296
  5. Step 5: Solve for x
    x = 457,276,995,649,296/15,258,000
  6. Step 6: Final answer
    x = 29,969,654.98

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.