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Finding the Third Proportional to 20,585,138 and 30,278,955

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Solution

The third proportional to 20,585,138 and 30,278,955 is: 44,537,720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,585,138 : 30,278,955 = 30,278,955 : x
  2. Step 2: Convert to fraction form
    20,585,138/30,278,955 = 30,278,955/x
  3. Step 3: Cross multiply
    20,585,138x = 30,278,955 × 30,278,955
  4. Step 4: Simplify right side
    20,585,138x = 916,815,115,892,025
  5. Step 5: Solve for x
    x = 916,815,115,892,025/20,585,138
  6. Step 6: Final answer
    x = 44,537,720.17

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.