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Finding the Third Proportional to 403,488 and 586,224

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Solution

The third proportional to 403,488 and 586,224 is: 851,719.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,488 : 586,224 = 586,224 : x
  2. Step 2: Convert to fraction form
    403,488/586,224 = 586,224/x
  3. Step 3: Cross multiply
    403,488x = 586,224 × 586,224
  4. Step 4: Simplify right side
    403,488x = 343,658,578,176
  5. Step 5: Solve for x
    x = 343,658,578,176/403,488
  6. Step 6: Final answer
    x = 851,719.45

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.