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Finding the Third Proportional to 330,554.75 and 716,131

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Solution

The third proportional to 330,554.75 and 716,131 is: 1,551,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,554.75 : 716,131 = 716,131 : x
  2. Step 2: Convert to fraction form
    330,554.75/716,131 = 716,131/x
  3. Step 3: Cross multiply
    330,554.75x = 716,131 × 716,131
  4. Step 4: Simplify right side
    330,554.75x = 512,843,609,161
  5. Step 5: Solve for x
    x = 512,843,609,161/330,554.75
  6. Step 6: Final answer
    x = 1,551,463.44

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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.