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Finding the Third Proportional to 1,899,409.50 and 2,720,871

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Solution

The third proportional to 1,899,409.50 and 2,720,871 is: 3,897,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,409.50 : 2,720,871 = 2,720,871 : x
  2. Step 2: Convert to fraction form
    1,899,409.50/2,720,871 = 2,720,871/x
  3. Step 3: Cross multiply
    1,899,409.50x = 2,720,871 × 2,720,871
  4. Step 4: Simplify right side
    1,899,409.50x = 7,403,138,998,641
  5. Step 5: Solve for x
    x = 7,403,138,998,641/1,899,409.50
  6. Step 6: Final answer
    x = 3,897,600.28

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.