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Finding the Third Proportional to 306,735 and 656,114

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Solution

The third proportional to 306,735 and 656,114 is: 1,403,444.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,735 : 656,114 = 656,114 : x
  2. Step 2: Convert to fraction form
    306,735/656,114 = 656,114/x
  3. Step 3: Cross multiply
    306,735x = 656,114 × 656,114
  4. Step 4: Simplify right side
    306,735x = 430,485,580,996
  5. Step 5: Solve for x
    x = 430,485,580,996/306,735
  6. Step 6: Final answer
    x = 1,403,444.61

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.