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Finding the Third Proportional to 448,132.50 and 670,963.50

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Solution

The third proportional to 448,132.50 and 670,963.50 is: 1,004,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,132.50 : 670,963.50 = 670,963.50 : x
  2. Step 2: Convert to fraction form
    448,132.50/670,963.50 = 670,963.50/x
  3. Step 3: Cross multiply
    448,132.50x = 670,963.50 × 670,963.50
  4. Step 4: Simplify right side
    448,132.50x = 450,192,018,332.25
  5. Step 5: Solve for x
    x = 450,192,018,332.25/448,132.50
  6. Step 6: Final answer
    x = 1,004,595.78

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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.