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Finding the Third Proportional to 346,316.25 and 518,080.50

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Solution

The third proportional to 346,316.25 and 518,080.50 is: 775,035.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,316.25 : 518,080.50 = 518,080.50 : x
  2. Step 2: Convert to fraction form
    346,316.25/518,080.50 = 518,080.50/x
  3. Step 3: Cross multiply
    346,316.25x = 518,080.50 × 518,080.50
  4. Step 4: Simplify right side
    346,316.25x = 268,407,404,480.25
  5. Step 5: Solve for x
    x = 268,407,404,480.25/346,316.25
  6. Step 6: Final answer
    x = 775,035.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.