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Finding the Third Proportional to 572,195 and 865,656

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Solution

The third proportional to 572,195 and 865,656 is: 1,309,624.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,195 : 865,656 = 865,656 : x
  2. Step 2: Convert to fraction form
    572,195/865,656 = 865,656/x
  3. Step 3: Cross multiply
    572,195x = 865,656 × 865,656
  4. Step 4: Simplify right side
    572,195x = 749,360,310,336
  5. Step 5: Solve for x
    x = 749,360,310,336/572,195
  6. Step 6: Final answer
    x = 1,309,624.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.