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Finding the Third Proportional to 535,780.50 and 729,631.50

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Solution

The third proportional to 535,780.50 and 729,631.50 is: 993,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,780.50 : 729,631.50 = 729,631.50 : x
  2. Step 2: Convert to fraction form
    535,780.50/729,631.50 = 729,631.50/x
  3. Step 3: Cross multiply
    535,780.50x = 729,631.50 × 729,631.50
  4. Step 4: Simplify right side
    535,780.50x = 532,362,125,792.25
  5. Step 5: Solve for x
    x = 532,362,125,792.25/535,780.50
  6. Step 6: Final answer
    x = 993,619.82

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.