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Finding the Third Proportional to 991,362 and 1,575,622

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Solution

The third proportional to 991,362 and 1,575,622 is: 2,504,216.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,362 : 1,575,622 = 1,575,622 : x
  2. Step 2: Convert to fraction form
    991,362/1,575,622 = 1,575,622/x
  3. Step 3: Cross multiply
    991,362x = 1,575,622 × 1,575,622
  4. Step 4: Simplify right side
    991,362x = 2,482,584,686,884
  5. Step 5: Solve for x
    x = 2,482,584,686,884/991,362
  6. Step 6: Final answer
    x = 2,504,216.11

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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.