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Finding the Third Proportional to 334,699.50 and 509,902.50

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Solution

The third proportional to 334,699.50 and 509,902.50 is: 776,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,699.50 : 509,902.50 = 509,902.50 : x
  2. Step 2: Convert to fraction form
    334,699.50/509,902.50 = 509,902.50/x
  3. Step 3: Cross multiply
    334,699.50x = 509,902.50 × 509,902.50
  4. Step 4: Simplify right side
    334,699.50x = 260,000,559,506.25
  5. Step 5: Solve for x
    x = 260,000,559,506.25/334,699.50
  6. Step 6: Final answer
    x = 776,817.89

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.