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Finding the Third Proportional to 655,355.50 and 885,426

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Solution

The third proportional to 655,355.50 and 885,426 is: 1,196,265.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,355.50 : 885,426 = 885,426 : x
  2. Step 2: Convert to fraction form
    655,355.50/885,426 = 885,426/x
  3. Step 3: Cross multiply
    655,355.50x = 885,426 × 885,426
  4. Step 4: Simplify right side
    655,355.50x = 783,979,201,476
  5. Step 5: Solve for x
    x = 783,979,201,476/655,355.50
  6. Step 6: Final answer
    x = 1,196,265.54

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.