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Finding the Third Proportional to 991,360 and 1,575,619

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Solution

The third proportional to 991,360 and 1,575,619 is: 2,504,211.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,360 : 1,575,619 = 1,575,619 : x
  2. Step 2: Convert to fraction form
    991,360/1,575,619 = 1,575,619/x
  3. Step 3: Cross multiply
    991,360x = 1,575,619 × 1,575,619
  4. Step 4: Simplify right side
    991,360x = 2,482,575,233,161
  5. Step 5: Solve for x
    x = 2,482,575,233,161/991,360
  6. Step 6: Final answer
    x = 2,504,211.62

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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.