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Finding the Third Proportional to 4,119,973.50 and 8,949,232.50

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Solution

The third proportional to 4,119,973.50 and 8,949,232.50 is: 19,439,145.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,973.50 : 8,949,232.50 = 8,949,232.50 : x
  2. Step 2: Convert to fraction form
    4,119,973.50/8,949,232.50 = 8,949,232.50/x
  3. Step 3: Cross multiply
    4,119,973.50x = 8,949,232.50 × 8,949,232.50
  4. Step 4: Simplify right side
    4,119,973.50x = 80,088,762,339,056.25
  5. Step 5: Solve for x
    x = 80,088,762,339,056.25/4,119,973.50
  6. Step 6: Final answer
    x = 19,439,145.02

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.