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Finding the Third Proportional to 1,871,349.75 and 2,820,328.88

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Solution

The third proportional to 1,871,349.75 and 2,820,328.88 is: 4,250,544.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,349.75 : 2,820,328.88 = 2,820,328.88 : x
  2. Step 2: Convert to fraction form
    1,871,349.75/2,820,328.88 = 2,820,328.88/x
  3. Step 3: Cross multiply
    1,871,349.75x = 2,820,328.88 × 2,820,328.88
  4. Step 4: Simplify right side
    1,871,349.75x = 7,954,254,963,158.77
  5. Step 5: Solve for x
    x = 7,954,254,963,158.77/1,871,349.75
  6. Step 6: Final answer
    x = 4,250,544.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.