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Finding the Third Proportional to 338,985 and 736,290

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Solution

The third proportional to 338,985 and 736,290 is: 1,599,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,985 : 736,290 = 736,290 : x
  2. Step 2: Convert to fraction form
    338,985/736,290 = 736,290/x
  3. Step 3: Cross multiply
    338,985x = 736,290 × 736,290
  4. Step 4: Simplify right side
    338,985x = 542,122,964,100
  5. Step 5: Solve for x
    x = 542,122,964,100/338,985
  6. Step 6: Final answer
    x = 1,599,253.55

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.