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Finding the Third Proportional to 7,261,312 and 15,642,962

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Solution

The third proportional to 7,261,312 and 15,642,962 is: 33,699,455.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,312 : 15,642,962 = 15,642,962 : x
  2. Step 2: Convert to fraction form
    7,261,312/15,642,962 = 15,642,962/x
  3. Step 3: Cross multiply
    7,261,312x = 15,642,962 × 15,642,962
  4. Step 4: Simplify right side
    7,261,312x = 244,702,260,133,444
  5. Step 5: Solve for x
    x = 244,702,260,133,444/7,261,312
  6. Step 6: Final answer
    x = 33,699,455.43

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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.