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Finding the Third Proportional to 336,315 and 738,159

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Solution

The third proportional to 336,315 and 738,159 is: 1,620,143.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,315 : 738,159 = 738,159 : x
  2. Step 2: Convert to fraction form
    336,315/738,159 = 738,159/x
  3. Step 3: Cross multiply
    336,315x = 738,159 × 738,159
  4. Step 4: Simplify right side
    336,315x = 544,878,709,281
  5. Step 5: Solve for x
    x = 544,878,709,281/336,315
  6. Step 6: Final answer
    x = 1,620,143.94

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.