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Finding the Third Proportional to 1,409,872.50 and 2,980,468.50

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Solution

The third proportional to 1,409,872.50 and 2,980,468.50 is: 6,300,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,872.50 : 2,980,468.50 = 2,980,468.50 : x
  2. Step 2: Convert to fraction form
    1,409,872.50/2,980,468.50 = 2,980,468.50/x
  3. Step 3: Cross multiply
    1,409,872.50x = 2,980,468.50 × 2,980,468.50
  4. Step 4: Simplify right side
    1,409,872.50x = 8,883,192,479,492.25
  5. Step 5: Solve for x
    x = 8,883,192,479,492.25/1,409,872.50
  6. Step 6: Final answer
    x = 6,300,706.25

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.