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Finding the Third Proportional to 151,130.81 and 318,664.13

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Solution

The third proportional to 151,130.81 and 318,664.13 is: 671,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,130.81 : 318,664.13 = 318,664.13 : x
  2. Step 2: Convert to fraction form
    151,130.81/318,664.13 = 318,664.13/x
  3. Step 3: Cross multiply
    151,130.81x = 318,664.13 × 318,664.13
  4. Step 4: Simplify right side
    151,130.81x = 101,546,824,562.02
  5. Step 5: Solve for x
    x = 101,546,824,562.02/151,130.81
  6. Step 6: Final answer
    x = 671,913.44

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