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Finding the Third Proportional to 301,915.13 and 616,938.75

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Solution

The third proportional to 301,915.13 and 616,938.75 is: 1,260,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,915.13 : 616,938.75 = 616,938.75 : x
  2. Step 2: Convert to fraction form
    301,915.13/616,938.75 = 616,938.75/x
  3. Step 3: Cross multiply
    301,915.13x = 616,938.75 × 616,938.75
  4. Step 4: Simplify right side
    301,915.13x = 380,613,421,251.56
  5. Step 5: Solve for x
    x = 380,613,421,251.56/301,915.13
  6. Step 6: Final answer
    x = 1,260,663.64

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.