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Finding the Third Proportional to 4,019,672.25 and 8,762,080.50

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Solution

The third proportional to 4,019,672.25 and 8,762,080.50 is: 19,099,580.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019,672.25 : 8,762,080.50 = 8,762,080.50 : x
  2. Step 2: Convert to fraction form
    4,019,672.25/8,762,080.50 = 8,762,080.50/x
  3. Step 3: Cross multiply
    4,019,672.25x = 8,762,080.50 × 8,762,080.50
  4. Step 4: Simplify right side
    4,019,672.25x = 76,774,054,688,480.25
  5. Step 5: Solve for x
    x = 76,774,054,688,480.25/4,019,672.25
  6. Step 6: Final answer
    x = 19,099,580.74

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.