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Finding the Third Proportional to 15,395,858 and 21,524,316

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Solution

The third proportional to 15,395,858 and 21,524,316 is: 30,092,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,395,858 : 21,524,316 = 21,524,316 : x
  2. Step 2: Convert to fraction form
    15,395,858/21,524,316 = 21,524,316/x
  3. Step 3: Cross multiply
    15,395,858x = 21,524,316 × 21,524,316
  4. Step 4: Simplify right side
    15,395,858x = 463,296,179,267,856
  5. Step 5: Solve for x
    x = 463,296,179,267,856/15,395,858
  6. Step 6: Final answer
    x = 30,092,261.13

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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.