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Finding the Third Proportional to 369,061.50 and 553,590.75

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Solution

The third proportional to 369,061.50 and 553,590.75 is: 830,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,061.50 : 553,590.75 = 553,590.75 : x
  2. Step 2: Convert to fraction form
    369,061.50/553,590.75 = 553,590.75/x
  3. Step 3: Cross multiply
    369,061.50x = 553,590.75 × 553,590.75
  4. Step 4: Simplify right side
    369,061.50x = 306,462,718,485.56
  5. Step 5: Solve for x
    x = 306,462,718,485.56/369,061.50
  6. Step 6: Final answer
    x = 830,383.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.