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Finding the Third Proportional to 1,129,543.88 and 1,720,792.69

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Solution

The third proportional to 1,129,543.88 and 1,720,792.69 is: 2,621,524.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,543.88 : 1,720,792.69 = 1,720,792.69 : x
  2. Step 2: Convert to fraction form
    1,129,543.88/1,720,792.69 = 1,720,792.69/x
  3. Step 3: Cross multiply
    1,129,543.88x = 1,720,792.69 × 1,720,792.69
  4. Step 4: Simplify right side
    1,129,543.88x = 2,961,127,473,353.47
  5. Step 5: Solve for x
    x = 2,961,127,473,353.47/1,129,543.88
  6. Step 6: Final answer
    x = 2,621,524.97

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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.