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Finding the Third Proportional to 988,687.50 and 2,126,415

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Solution

The third proportional to 988,687.50 and 2,126,415 is: 4,573,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,687.50 : 2,126,415 = 2,126,415 : x
  2. Step 2: Convert to fraction form
    988,687.50/2,126,415 = 2,126,415/x
  3. Step 3: Cross multiply
    988,687.50x = 2,126,415 × 2,126,415
  4. Step 4: Simplify right side
    988,687.50x = 4,521,640,752,225
  5. Step 5: Solve for x
    x = 4,521,640,752,225/988,687.50
  6. Step 6: Final answer
    x = 4,573,377.08

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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.