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Finding the Third Proportional to 20,992,412.25 and 31,306,574.25

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Solution

The third proportional to 20,992,412.25 and 31,306,574.25 is: 46,688,373.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,992,412.25 : 31,306,574.25 = 31,306,574.25 : x
  2. Step 2: Convert to fraction form
    20,992,412.25/31,306,574.25 = 31,306,574.25/x
  3. Step 3: Cross multiply
    20,992,412.25x = 31,306,574.25 × 31,306,574.25
  4. Step 4: Simplify right side
    20,992,412.25x = 980,101,591,270,763
  5. Step 5: Solve for x
    x = 980,101,591,270,763/20,992,412.25
  6. Step 6: Final answer
    x = 46,688,373.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.