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Finding the Third Proportional to 317,189.25 and 697,466.25

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Solution

The third proportional to 317,189.25 and 697,466.25 is: 1,533,655.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,189.25 : 697,466.25 = 697,466.25 : x
  2. Step 2: Convert to fraction form
    317,189.25/697,466.25 = 697,466.25/x
  3. Step 3: Cross multiply
    317,189.25x = 697,466.25 × 697,466.25
  4. Step 4: Simplify right side
    317,189.25x = 486,459,169,889.06
  5. Step 5: Solve for x
    x = 486,459,169,889.06/317,189.25
  6. Step 6: Final answer
    x = 1,533,655.92

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.