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Finding the Third Proportional to 577,755 and 1,288,282.50

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Solution

The third proportional to 577,755 and 1,288,282.50 is: 2,872,622.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,755 : 1,288,282.50 = 1,288,282.50 : x
  2. Step 2: Convert to fraction form
    577,755/1,288,282.50 = 1,288,282.50/x
  3. Step 3: Cross multiply
    577,755x = 1,288,282.50 × 1,288,282.50
  4. Step 4: Simplify right side
    577,755x = 1,659,671,799,806.25
  5. Step 5: Solve for x
    x = 1,659,671,799,806.25/577,755
  6. Step 6: Final answer
    x = 2,872,622.13

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.