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Finding the Third Proportional to 4,342,970.25 and 8,576,941.50

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Solution

The third proportional to 4,342,970.25 and 8,576,941.50 is: 16,938,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342,970.25 : 8,576,941.50 = 8,576,941.50 : x
  2. Step 2: Convert to fraction form
    4,342,970.25/8,576,941.50 = 8,576,941.50/x
  3. Step 3: Cross multiply
    4,342,970.25x = 8,576,941.50 × 8,576,941.50
  4. Step 4: Simplify right side
    4,342,970.25x = 73,563,925,494,422.25
  5. Step 5: Solve for x
    x = 73,563,925,494,422.25/4,342,970.25
  6. Step 6: Final answer
    x = 16,938,620.64

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.