Home / 1,638,885.38-2,570,931.56

Finding the Third Proportional to 1,638,885.38 and 2,570,931.56

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Solution

The third proportional to 1,638,885.38 and 2,570,931.56 is: 4,033,039.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,885.38 : 2,570,931.56 = 2,570,931.56 : x
  2. Step 2: Convert to fraction form
    1,638,885.38/2,570,931.56 = 2,570,931.56/x
  3. Step 3: Cross multiply
    1,638,885.38x = 2,570,931.56 × 2,570,931.56
  4. Step 4: Simplify right side
    1,638,885.38x = 6,609,689,099,058.69
  5. Step 5: Solve for x
    x = 6,609,689,099,058.69/1,638,885.38
  6. Step 6: Final answer
    x = 4,033,039.28

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.