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Finding the Third Proportional to 334,159.50 and 518,207.50

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Solution

The third proportional to 334,159.50 and 518,207.50 is: 803,625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,159.50 : 518,207.50 = 518,207.50 : x
  2. Step 2: Convert to fraction form
    334,159.50/518,207.50 = 518,207.50/x
  3. Step 3: Cross multiply
    334,159.50x = 518,207.50 × 518,207.50
  4. Step 4: Simplify right side
    334,159.50x = 268,539,013,056.25
  5. Step 5: Solve for x
    x = 268,539,013,056.25/334,159.50
  6. Step 6: Final answer
    x = 803,625.25

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.