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Finding the Third Proportional to 11,821,428 and 25,528,968

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Solution

The third proportional to 11,821,428 and 25,528,968 is: 55,131,089.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821,428 : 25,528,968 = 25,528,968 : x
  2. Step 2: Convert to fraction form
    11,821,428/25,528,968 = 25,528,968/x
  3. Step 3: Cross multiply
    11,821,428x = 25,528,968 × 25,528,968
  4. Step 4: Simplify right side
    11,821,428x = 651,728,207,145,024
  5. Step 5: Solve for x
    x = 651,728,207,145,024/11,821,428
  6. Step 6: Final answer
    x = 55,131,089.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.