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Finding the Third Proportional to 7,038,500 and 10,881,213

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Solution

The third proportional to 7,038,500 and 10,881,213 is: 16,821,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038,500 : 10,881,213 = 10,881,213 : x
  2. Step 2: Convert to fraction form
    7,038,500/10,881,213 = 10,881,213/x
  3. Step 3: Cross multiply
    7,038,500x = 10,881,213 × 10,881,213
  4. Step 4: Simplify right side
    7,038,500x = 118,400,796,351,369
  5. Step 5: Solve for x
    x = 118,400,796,351,369/7,038,500
  6. Step 6: Final answer
    x = 16,821,879.14

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.