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Finding the Third Proportional to 637,844 and 1,353,432

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Solution

The third proportional to 637,844 and 1,353,432 is: 2,871,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,844 : 1,353,432 = 1,353,432 : x
  2. Step 2: Convert to fraction form
    637,844/1,353,432 = 1,353,432/x
  3. Step 3: Cross multiply
    637,844x = 1,353,432 × 1,353,432
  4. Step 4: Simplify right side
    637,844x = 1,831,778,178,624
  5. Step 5: Solve for x
    x = 1,831,778,178,624/637,844
  6. Step 6: Final answer
    x = 2,871,827.87

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.