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Finding the Third Proportional to 991,345.50 and 1,575,591.75

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Solution

The third proportional to 991,345.50 and 1,575,591.75 is: 2,504,161.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,345.50 : 1,575,591.75 = 1,575,591.75 : x
  2. Step 2: Convert to fraction form
    991,345.50/1,575,591.75 = 1,575,591.75/x
  3. Step 3: Cross multiply
    991,345.50x = 1,575,591.75 × 1,575,591.75
  4. Step 4: Simplify right side
    991,345.50x = 2,482,489,362,668.06
  5. Step 5: Solve for x
    x = 2,482,489,362,668.06/991,345.50
  6. Step 6: Final answer
    x = 2,504,161.63

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.