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Finding the Third Proportional to 7,261,316 and 15,642,970

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Solution

The third proportional to 7,261,316 and 15,642,970 is: 33,699,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,316 : 15,642,970 = 15,642,970 : x
  2. Step 2: Convert to fraction form
    7,261,316/15,642,970 = 15,642,970/x
  3. Step 3: Cross multiply
    7,261,316x = 15,642,970 × 15,642,970
  4. Step 4: Simplify right side
    7,261,316x = 244,702,510,420,900
  5. Step 5: Solve for x
    x = 244,702,510,420,900/7,261,316
  6. Step 6: Final answer
    x = 33,699,471.34

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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.