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Finding the Third Proportional to 4,991,890.88 and 7,133,542.13

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Solution

The third proportional to 4,991,890.88 and 7,133,542.13 is: 10,194,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,890.88 : 7,133,542.13 = 7,133,542.13 : x
  2. Step 2: Convert to fraction form
    4,991,890.88/7,133,542.13 = 7,133,542.13/x
  3. Step 3: Cross multiply
    4,991,890.88x = 7,133,542.13 × 7,133,542.13
  4. Step 4: Simplify right side
    4,991,890.88x = 50,887,423,249,149.52
  5. Step 5: Solve for x
    x = 50,887,423,249,149.52/4,991,890.88
  6. Step 6: Final answer
    x = 10,194,017.56

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.