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Finding the Third Proportional to 7,372,955 and 11,447,621

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Solution

The third proportional to 7,372,955 and 11,447,621 is: 17,774,152.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372,955 : 11,447,621 = 11,447,621 : x
  2. Step 2: Convert to fraction form
    7,372,955/11,447,621 = 11,447,621/x
  3. Step 3: Cross multiply
    7,372,955x = 11,447,621 × 11,447,621
  4. Step 4: Simplify right side
    7,372,955x = 131,048,026,559,641
  5. Step 5: Solve for x
    x = 131,048,026,559,641/7,372,955
  6. Step 6: Final answer
    x = 17,774,152.50

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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.