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Finding the Third Proportional to 423,196 and 574,104

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Solution

The third proportional to 423,196 and 574,104 is: 778,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,196 : 574,104 = 574,104 : x
  2. Step 2: Convert to fraction form
    423,196/574,104 = 574,104/x
  3. Step 3: Cross multiply
    423,196x = 574,104 × 574,104
  4. Step 4: Simplify right side
    423,196x = 329,595,402,816
  5. Step 5: Solve for x
    x = 329,595,402,816/423,196
  6. Step 6: Final answer
    x = 778,824.48

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.