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Finding the Third Proportional to 349,116.75 and 533,820

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Solution

The third proportional to 349,116.75 and 533,820 is: 816,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,116.75 : 533,820 = 533,820 : x
  2. Step 2: Convert to fraction form
    349,116.75/533,820 = 533,820/x
  3. Step 3: Cross multiply
    349,116.75x = 533,820 × 533,820
  4. Step 4: Simplify right side
    349,116.75x = 284,963,792,400
  5. Step 5: Solve for x
    x = 284,963,792,400/349,116.75
  6. Step 6: Final answer
    x = 816,242.11

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.