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Finding the Third Proportional to 4,890,604.50 and 10,621,972.13

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Solution

The third proportional to 4,890,604.50 and 10,621,972.13 is: 23,070,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,604.50 : 10,621,972.13 = 10,621,972.13 : x
  2. Step 2: Convert to fraction form
    4,890,604.50/10,621,972.13 = 10,621,972.13/x
  3. Step 3: Cross multiply
    4,890,604.50x = 10,621,972.13 × 10,621,972.13
  4. Step 4: Simplify right side
    4,890,604.50x = 112,826,291,824,277.02
  5. Step 5: Solve for x
    x = 112,826,291,824,277.02/4,890,604.50
  6. Step 6: Final answer
    x = 23,070,009.41

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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.