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Finding the Third Proportional to 173,916 and 366,513

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Solution

The third proportional to 173,916 and 366,513 is: 772,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,916 : 366,513 = 366,513 : x
  2. Step 2: Convert to fraction form
    173,916/366,513 = 366,513/x
  3. Step 3: Cross multiply
    173,916x = 366,513 × 366,513
  4. Step 4: Simplify right side
    173,916x = 134,331,779,169
  5. Step 5: Solve for x
    x = 134,331,779,169/173,916
  6. Step 6: Final answer
    x = 772,394.60

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.