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Finding the Third Proportional to 2,988,901.25 and 6,190,478.25

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Solution

The third proportional to 2,988,901.25 and 6,190,478.25 is: 12,821,440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,901.25 : 6,190,478.25 = 6,190,478.25 : x
  2. Step 2: Convert to fraction form
    2,988,901.25/6,190,478.25 = 6,190,478.25/x
  3. Step 3: Cross multiply
    2,988,901.25x = 6,190,478.25 × 6,190,478.25
  4. Step 4: Simplify right side
    2,988,901.25x = 38,322,020,963,723.06
  5. Step 5: Solve for x
    x = 38,322,020,963,723.06/2,988,901.25
  6. Step 6: Final answer
    x = 12,821,440.98

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.