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Finding the Third Proportional to 296,616 and 652,200

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Solution

The third proportional to 296,616 and 652,200 is: 1,434,058.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,616 : 652,200 = 652,200 : x
  2. Step 2: Convert to fraction form
    296,616/652,200 = 652,200/x
  3. Step 3: Cross multiply
    296,616x = 652,200 × 652,200
  4. Step 4: Simplify right side
    296,616x = 425,364,840,000
  5. Step 5: Solve for x
    x = 425,364,840,000/296,616
  6. Step 6: Final answer
    x = 1,434,058.99

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.