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Finding the Third Proportional to 7,740,556 and 10,827,554

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Solution

The third proportional to 7,740,556 and 10,827,554 is: 15,145,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740,556 : 10,827,554 = 10,827,554 : x
  2. Step 2: Convert to fraction form
    7,740,556/10,827,554 = 10,827,554/x
  3. Step 3: Cross multiply
    7,740,556x = 10,827,554 × 10,827,554
  4. Step 4: Simplify right side
    7,740,556x = 117,235,925,622,916
  5. Step 5: Solve for x
    x = 117,235,925,622,916/7,740,556
  6. Step 6: Final answer
    x = 15,145,672.43

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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.