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Finding the Third Proportional to 368,554.31 and 788,344.13

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Solution

The third proportional to 368,554.31 and 788,344.13 is: 1,686,281.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,554.31 : 788,344.13 = 788,344.13 : x
  2. Step 2: Convert to fraction form
    368,554.31/788,344.13 = 788,344.13/x
  3. Step 3: Cross multiply
    368,554.31x = 788,344.13 × 788,344.13
  4. Step 4: Simplify right side
    368,554.31x = 621,486,459,422.02
  5. Step 5: Solve for x
    x = 621,486,459,422.02/368,554.31
  6. Step 6: Final answer
    x = 1,686,281.88

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.