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Finding the Third Proportional to 1,989,727 and 4,263,359

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Solution

The third proportional to 1,989,727 and 4,263,359 is: 9,135,037.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,727 : 4,263,359 = 4,263,359 : x
  2. Step 2: Convert to fraction form
    1,989,727/4,263,359 = 4,263,359/x
  3. Step 3: Cross multiply
    1,989,727x = 4,263,359 × 4,263,359
  4. Step 4: Simplify right side
    1,989,727x = 18,176,229,962,881
  5. Step 5: Solve for x
    x = 18,176,229,962,881/1,989,727
  6. Step 6: Final answer
    x = 9,135,037.10

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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.