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Finding the Third Proportional to 300,457.13 and 401,332.50

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Solution

The third proportional to 300,457.13 and 401,332.50 is: 536,075.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,457.13 : 401,332.50 = 401,332.50 : x
  2. Step 2: Convert to fraction form
    300,457.13/401,332.50 = 401,332.50/x
  3. Step 3: Cross multiply
    300,457.13x = 401,332.50 × 401,332.50
  4. Step 4: Simplify right side
    300,457.13x = 161,067,775,556.25
  5. Step 5: Solve for x
    x = 161,067,775,556.25/300,457.13
  6. Step 6: Final answer
    x = 536,075.74

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.