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Finding the Third Proportional to 1,071,676.13 and 2,311,615.13

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Solution

The third proportional to 1,071,676.13 and 2,311,615.13 is: 4,986,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,676.13 : 2,311,615.13 = 2,311,615.13 : x
  2. Step 2: Convert to fraction form
    1,071,676.13/2,311,615.13 = 2,311,615.13/x
  3. Step 3: Cross multiply
    1,071,676.13x = 2,311,615.13 × 2,311,615.13
  4. Step 4: Simplify right side
    1,071,676.13x = 5,343,564,486,128.77
  5. Step 5: Solve for x
    x = 5,343,564,486,128.77/1,071,676.13
  6. Step 6: Final answer
    x = 4,986,174.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.