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Finding the Third Proportional to 1,223,210 and 1,889,355

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Solution

The third proportional to 1,223,210 and 1,889,355 is: 2,918,274.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,210 : 1,889,355 = 1,889,355 : x
  2. Step 2: Convert to fraction form
    1,223,210/1,889,355 = 1,889,355/x
  3. Step 3: Cross multiply
    1,223,210x = 1,889,355 × 1,889,355
  4. Step 4: Simplify right side
    1,223,210x = 3,569,662,316,025
  5. Step 5: Solve for x
    x = 3,569,662,316,025/1,223,210
  6. Step 6: Final answer
    x = 2,918,274.31

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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.