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Finding the Third Proportional to 415,509.75 and 901,003.50

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Solution

The third proportional to 415,509.75 and 901,003.50 is: 1,953,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,509.75 : 901,003.50 = 901,003.50 : x
  2. Step 2: Convert to fraction form
    415,509.75/901,003.50 = 901,003.50/x
  3. Step 3: Cross multiply
    415,509.75x = 901,003.50 × 901,003.50
  4. Step 4: Simplify right side
    415,509.75x = 811,807,307,012.25
  5. Step 5: Solve for x
    x = 811,807,307,012.25/415,509.75
  6. Step 6: Final answer
    x = 1,953,762.35

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.