Home / 1,129,701.38-1,721,013.75

Finding the Third Proportional to 1,129,701.38 and 1,721,013.75

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Solution

The third proportional to 1,129,701.38 and 1,721,013.75 is: 2,621,832.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,701.38 : 1,721,013.75 = 1,721,013.75 : x
  2. Step 2: Convert to fraction form
    1,129,701.38/1,721,013.75 = 1,721,013.75/x
  3. Step 3: Cross multiply
    1,129,701.38x = 1,721,013.75 × 1,721,013.75
  4. Step 4: Simplify right side
    1,129,701.38x = 2,961,888,327,689.06
  5. Step 5: Solve for x
    x = 2,961,888,327,689.06/1,129,701.38
  6. Step 6: Final answer
    x = 2,621,832.98

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.