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Finding the Third Proportional to 503,020.75 and 785,148.50

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Solution

The third proportional to 503,020.75 and 785,148.50 is: 1,225,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,020.75 : 785,148.50 = 785,148.50 : x
  2. Step 2: Convert to fraction form
    503,020.75/785,148.50 = 785,148.50/x
  3. Step 3: Cross multiply
    503,020.75x = 785,148.50 × 785,148.50
  4. Step 4: Simplify right side
    503,020.75x = 616,458,167,052.25
  5. Step 5: Solve for x
    x = 616,458,167,052.25/503,020.75
  6. Step 6: Final answer
    x = 1,225,512.40

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.