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Finding the Third Proportional to 423,073.13 and 635,429.81

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Solution

The third proportional to 423,073.13 and 635,429.81 is: 954,376.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,073.13 : 635,429.81 = 635,429.81 : x
  2. Step 2: Convert to fraction form
    423,073.13/635,429.81 = 635,429.81/x
  3. Step 3: Cross multiply
    423,073.13x = 635,429.81 × 635,429.81
  4. Step 4: Simplify right side
    423,073.13x = 403,771,046,613.79
  5. Step 5: Solve for x
    x = 403,771,046,613.79/423,073.13
  6. Step 6: Final answer
    x = 954,376.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.