Home / 2,172,031.88-2,856,220.31

Finding the Third Proportional to 2,172,031.88 and 2,856,220.31

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Solution

The third proportional to 2,172,031.88 and 2,856,220.31 is: 3,755,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,031.88 : 2,856,220.31 = 2,856,220.31 : x
  2. Step 2: Convert to fraction form
    2,172,031.88/2,856,220.31 = 2,856,220.31/x
  3. Step 3: Cross multiply
    2,172,031.88x = 2,856,220.31 × 2,856,220.31
  4. Step 4: Simplify right side
    2,172,031.88x = 8,157,994,473,537.60
  5. Step 5: Solve for x
    x = 8,157,994,473,537.60/2,172,031.88
  6. Step 6: Final answer
    x = 3,755,927.60

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.