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Finding the Third Proportional to 4,021,528.50 and 8,618,724

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Solution

The third proportional to 4,021,528.50 and 8,618,724 is: 18,471,186.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021,528.50 : 8,618,724 = 8,618,724 : x
  2. Step 2: Convert to fraction form
    4,021,528.50/8,618,724 = 8,618,724/x
  3. Step 3: Cross multiply
    4,021,528.50x = 8,618,724 × 8,618,724
  4. Step 4: Simplify right side
    4,021,528.50x = 74,282,403,388,176
  5. Step 5: Solve for x
    x = 74,282,403,388,176/4,021,528.50
  6. Step 6: Final answer
    x = 18,471,186.61

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.