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Finding the Third Proportional to 340,638.75 and 716,563.13

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Solution

The third proportional to 340,638.75 and 716,563.13 is: 1,507,352.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,638.75 : 716,563.13 = 716,563.13 : x
  2. Step 2: Convert to fraction form
    340,638.75/716,563.13 = 716,563.13/x
  3. Step 3: Cross multiply
    340,638.75x = 716,563.13 × 716,563.13
  4. Step 4: Simplify right side
    340,638.75x = 513,462,712,109.77
  5. Step 5: Solve for x
    x = 513,462,712,109.77/340,638.75
  6. Step 6: Final answer
    x = 1,507,352.62

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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.