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Finding the Third Proportional to 9,259,828 and 20,312,509

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Solution

The third proportional to 9,259,828 and 20,312,509 is: 44,557,849.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259,828 : 20,312,509 = 20,312,509 : x
  2. Step 2: Convert to fraction form
    9,259,828/20,312,509 = 20,312,509/x
  3. Step 3: Cross multiply
    9,259,828x = 20,312,509 × 20,312,509
  4. Step 4: Simplify right side
    9,259,828x = 412,598,021,875,081
  5. Step 5: Solve for x
    x = 412,598,021,875,081/9,259,828
  6. Step 6: Final answer
    x = 44,557,849.44

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.