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Finding the Third Proportional to 162,916.31 and 340,720.80

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Solution

The third proportional to 162,916.31 and 340,720.80 is: 712,578.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,916.31 : 340,720.80 = 340,720.80 : x
  2. Step 2: Convert to fraction form
    162,916.31/340,720.80 = 340,720.80/x
  3. Step 3: Cross multiply
    162,916.31x = 340,720.80 × 340,720.80
  4. Step 4: Simplify right side
    162,916.31x = 116,090,666,746.90
  5. Step 5: Solve for x
    x = 116,090,666,746.90/162,916.31
  6. Step 6: Final answer
    x = 712,578.53

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.