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Finding the Third Proportional to 10,913,391 and 17,119,866.75

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Solution

The third proportional to 10,913,391 and 17,119,866.75 is: 26,855,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913,391 : 17,119,866.75 = 17,119,866.75 : x
  2. Step 2: Convert to fraction form
    10,913,391/17,119,866.75 = 17,119,866.75/x
  3. Step 3: Cross multiply
    10,913,391x = 17,119,866.75 × 17,119,866.75
  4. Step 4: Simplify right side
    10,913,391x = 293,089,837,537,755.56
  5. Step 5: Solve for x
    x = 293,089,837,537,755.56/10,913,391
  6. Step 6: Final answer
    x = 26,855,982.48

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.