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Finding the Third Proportional to 9,908,268 and 15,313,278

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Solution

The third proportional to 9,908,268 and 15,313,278 is: 23,666,748.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908,268 : 15,313,278 = 15,313,278 : x
  2. Step 2: Convert to fraction form
    9,908,268/15,313,278 = 15,313,278/x
  3. Step 3: Cross multiply
    9,908,268x = 15,313,278 × 15,313,278
  4. Step 4: Simplify right side
    9,908,268x = 234,496,483,105,284
  5. Step 5: Solve for x
    x = 234,496,483,105,284/9,908,268
  6. Step 6: Final answer
    x = 23,666,748.12

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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.