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Finding the Third Proportional to 306,664.50 and 716,313

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Solution

The third proportional to 306,664.50 and 716,313 is: 1,673,178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,664.50 : 716,313 = 716,313 : x
  2. Step 2: Convert to fraction form
    306,664.50/716,313 = 716,313/x
  3. Step 3: Cross multiply
    306,664.50x = 716,313 × 716,313
  4. Step 4: Simplify right side
    306,664.50x = 513,104,313,969
  5. Step 5: Solve for x
    x = 513,104,313,969/306,664.50
  6. Step 6: Final answer
    x = 1,673,178.06

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.