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Finding the Third Proportional to 518,925 and 1,128,727.50

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Solution

The third proportional to 518,925 and 1,128,727.50 is: 2,455,125.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,925 : 1,128,727.50 = 1,128,727.50 : x
  2. Step 2: Convert to fraction form
    518,925/1,128,727.50 = 1,128,727.50/x
  3. Step 3: Cross multiply
    518,925x = 1,128,727.50 × 1,128,727.50
  4. Step 4: Simplify right side
    518,925x = 1,274,025,769,256.25
  5. Step 5: Solve for x
    x = 1,274,025,769,256.25/518,925
  6. Step 6: Final answer
    x = 2,455,125.06

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.