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Finding the Third Proportional to 296,218.50 and 423,296.25

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Solution

The third proportional to 296,218.50 and 423,296.25 is: 604,890.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,218.50 : 423,296.25 = 423,296.25 : x
  2. Step 2: Convert to fraction form
    296,218.50/423,296.25 = 423,296.25/x
  3. Step 3: Cross multiply
    296,218.50x = 423,296.25 × 423,296.25
  4. Step 4: Simplify right side
    296,218.50x = 179,179,715,264.06
  5. Step 5: Solve for x
    x = 179,179,715,264.06/296,218.50
  6. Step 6: Final answer
    x = 604,890.36

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.