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Finding the Third Proportional to 300,214.50 and 464,347.50

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Solution

The third proportional to 300,214.50 and 464,347.50 is: 718,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,214.50 : 464,347.50 = 464,347.50 : x
  2. Step 2: Convert to fraction form
    300,214.50/464,347.50 = 464,347.50/x
  3. Step 3: Cross multiply
    300,214.50x = 464,347.50 × 464,347.50
  4. Step 4: Simplify right side
    300,214.50x = 215,618,600,756.25
  5. Step 5: Solve for x
    x = 215,618,600,756.25/300,214.50
  6. Step 6: Final answer
    x = 718,215.15

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.