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Finding the Third Proportional to 369,543.75 and 555,963

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Solution

The third proportional to 369,543.75 and 555,963 is: 836,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,543.75 : 555,963 = 555,963 : x
  2. Step 2: Convert to fraction form
    369,543.75/555,963 = 555,963/x
  3. Step 3: Cross multiply
    369,543.75x = 555,963 × 555,963
  4. Step 4: Simplify right side
    369,543.75x = 309,094,857,369
  5. Step 5: Solve for x
    x = 309,094,857,369/369,543.75
  6. Step 6: Final answer
    x = 836,422.91

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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.