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Finding the Third Proportional to 450,613.13 and 695,790

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Solution

The third proportional to 450,613.13 and 695,790 is: 1,074,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,613.13 : 695,790 = 695,790 : x
  2. Step 2: Convert to fraction form
    450,613.13/695,790 = 695,790/x
  3. Step 3: Cross multiply
    450,613.13x = 695,790 × 695,790
  4. Step 4: Simplify right side
    450,613.13x = 484,123,724,100
  5. Step 5: Solve for x
    x = 484,123,724,100/450,613.13
  6. Step 6: Final answer
    x = 1,074,366.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.