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Finding the Third Proportional to 755,389.13 and 1,631,421

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Solution

The third proportional to 755,389.13 and 1,631,421 is: 3,523,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,389.13 : 1,631,421 = 1,631,421 : x
  2. Step 2: Convert to fraction form
    755,389.13/1,631,421 = 1,631,421/x
  3. Step 3: Cross multiply
    755,389.13x = 1,631,421 × 1,631,421
  4. Step 4: Simplify right side
    755,389.13x = 2,661,534,479,241
  5. Step 5: Solve for x
    x = 2,661,534,479,241/755,389.13
  6. Step 6: Final answer
    x = 3,523,395.28

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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.