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Finding the Third Proportional to 316,842.47 and 659,893.50

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Solution

The third proportional to 316,842.47 and 659,893.50 is: 1,374,372.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,842.47 : 659,893.50 = 659,893.50 : x
  2. Step 2: Convert to fraction form
    316,842.47/659,893.50 = 659,893.50/x
  3. Step 3: Cross multiply
    316,842.47x = 659,893.50 × 659,893.50
  4. Step 4: Simplify right side
    316,842.47x = 435,459,431,342.25
  5. Step 5: Solve for x
    x = 435,459,431,342.25/316,842.47
  6. Step 6: Final answer
    x = 1,374,372.04

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.