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Finding the Third Proportional to 1,098,987.19 and 2,343,135.38

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Solution

The third proportional to 1,098,987.19 and 2,343,135.38 is: 4,995,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,987.19 : 2,343,135.38 = 2,343,135.38 : x
  2. Step 2: Convert to fraction form
    1,098,987.19/2,343,135.38 = 2,343,135.38/x
  3. Step 3: Cross multiply
    1,098,987.19x = 2,343,135.38 × 2,343,135.38
  4. Step 4: Simplify right side
    1,098,987.19x = 5,490,283,385,576.39
  5. Step 5: Solve for x
    x = 5,490,283,385,576.39/1,098,987.19
  6. Step 6: Final answer
    x = 4,995,766.51

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.