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Finding the Third Proportional to 1,640,320.88 and 3,532,096.13

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Solution

The third proportional to 1,640,320.88 and 3,532,096.13 is: 7,605,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,320.88 : 3,532,096.13 = 3,532,096.13 : x
  2. Step 2: Convert to fraction form
    1,640,320.88/3,532,096.13 = 3,532,096.13/x
  3. Step 3: Cross multiply
    1,640,320.88x = 3,532,096.13 × 3,532,096.13
  4. Step 4: Simplify right side
    1,640,320.88x = 12,475,703,036,240.02
  5. Step 5: Solve for x
    x = 12,475,703,036,240.02/1,640,320.88
  6. Step 6: Final answer
    x = 7,605,647.91

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.