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Finding the Third Proportional to 350,988 and 513,319.50

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Solution

The third proportional to 350,988 and 513,319.50 is: 750,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,988 : 513,319.50 = 513,319.50 : x
  2. Step 2: Convert to fraction form
    350,988/513,319.50 = 513,319.50/x
  3. Step 3: Cross multiply
    350,988x = 513,319.50 × 513,319.50
  4. Step 4: Simplify right side
    350,988x = 263,496,909,080.25
  5. Step 5: Solve for x
    x = 263,496,909,080.25/350,988
  6. Step 6: Final answer
    x = 750,729.11

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.