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Finding the Third Proportional to 2,992,573.48 and 4,643,245.90

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Solution

The third proportional to 2,992,573.48 and 4,643,245.90 is: 7,204,412.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,573.48 : 4,643,245.90 = 4,643,245.90 : x
  2. Step 2: Convert to fraction form
    2,992,573.48/4,643,245.90 = 4,643,245.90/x
  3. Step 3: Cross multiply
    2,992,573.48x = 4,643,245.90 × 4,643,245.90
  4. Step 4: Simplify right side
    2,992,573.48x = 21,559,732,473,357.59
  5. Step 5: Solve for x
    x = 21,559,732,473,357.59/2,992,573.48
  6. Step 6: Final answer
    x = 7,204,412.07

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.