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Finding the Third Proportional to 5,685,489 and 12,566,778

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Solution

The third proportional to 5,685,489 and 12,566,778 is: 27,776,662.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685,489 : 12,566,778 = 12,566,778 : x
  2. Step 2: Convert to fraction form
    5,685,489/12,566,778 = 12,566,778/x
  3. Step 3: Cross multiply
    5,685,489x = 12,566,778 × 12,566,778
  4. Step 4: Simplify right side
    5,685,489x = 157,923,909,301,284
  5. Step 5: Solve for x
    x = 157,923,909,301,284/5,685,489
  6. Step 6: Final answer
    x = 27,776,662.54

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.