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Finding the Third Proportional to 207,347,121 and 445,465,056

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Solution

The third proportional to 207,347,121 and 445,465,056 is: 957,038,203.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,347,121 : 445,465,056 = 445,465,056 : x
  2. Step 2: Convert to fraction form
    207,347,121/445,465,056 = 445,465,056/x
  3. Step 3: Cross multiply
    207,347,121x = 445,465,056 × 445,465,056
  4. Step 4: Simplify right side
    207,347,121x = 198,439,116,117,083,136
  5. Step 5: Solve for x
    x = 198,439,116,117,083,136/207,347,121
  6. Step 6: Final answer
    x = 957,038,203.18

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.