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Finding the Third Proportional to 440,905.50 and 659,646

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Solution

The third proportional to 440,905.50 and 659,646 is: 986,907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,905.50 : 659,646 = 659,646 : x
  2. Step 2: Convert to fraction form
    440,905.50/659,646 = 659,646/x
  3. Step 3: Cross multiply
    440,905.50x = 659,646 × 659,646
  4. Step 4: Simplify right side
    440,905.50x = 435,132,845,316
  5. Step 5: Solve for x
    x = 435,132,845,316/440,905.50
  6. Step 6: Final answer
    x = 986,907.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.