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Finding the Third Proportional to 499,699.50 and 712,170

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Solution

The third proportional to 499,699.50 and 712,170 is: 1,014,982.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,699.50 : 712,170 = 712,170 : x
  2. Step 2: Convert to fraction form
    499,699.50/712,170 = 712,170/x
  3. Step 3: Cross multiply
    499,699.50x = 712,170 × 712,170
  4. Step 4: Simplify right side
    499,699.50x = 507,186,108,900
  5. Step 5: Solve for x
    x = 507,186,108,900/499,699.50
  6. Step 6: Final answer
    x = 1,014,982.22

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.