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Finding the Third Proportional to 480,890 and 750,449.25

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Solution

The third proportional to 480,890 and 750,449.25 is: 1,171,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,890 : 750,449.25 = 750,449.25 : x
  2. Step 2: Convert to fraction form
    480,890/750,449.25 = 750,449.25/x
  3. Step 3: Cross multiply
    480,890x = 750,449.25 × 750,449.25
  4. Step 4: Simplify right side
    480,890x = 563,174,076,825.56
  5. Step 5: Solve for x
    x = 563,174,076,825.56/480,890
  6. Step 6: Final answer
    x = 1,171,107.90

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.