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Finding the Third Proportional to 177,762.09 and 285,403.50

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Solution

The third proportional to 177,762.09 and 285,403.50 is: 458,225.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,762.09 : 285,403.50 = 285,403.50 : x
  2. Step 2: Convert to fraction form
    177,762.09/285,403.50 = 285,403.50/x
  3. Step 3: Cross multiply
    177,762.09x = 285,403.50 × 285,403.50
  4. Step 4: Simplify right side
    177,762.09x = 81,455,157,812.25
  5. Step 5: Solve for x
    x = 81,455,157,812.25/177,762.09
  6. Step 6: Final answer
    x = 458,225.69

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These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.