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Finding the Third Proportional to 7,389,454 and 11,767,168

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Solution

The third proportional to 7,389,454 and 11,767,168 is: 18,738,359.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389,454 : 11,767,168 = 11,767,168 : x
  2. Step 2: Convert to fraction form
    7,389,454/11,767,168 = 11,767,168/x
  3. Step 3: Cross multiply
    7,389,454x = 11,767,168 × 11,767,168
  4. Step 4: Simplify right side
    7,389,454x = 138,466,242,740,224
  5. Step 5: Solve for x
    x = 138,466,242,740,224/7,389,454
  6. Step 6: Final answer
    x = 18,738,359.12

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.