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Finding the Third Proportional to 295,628 and 648,484

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Solution

The third proportional to 295,628 and 648,484 is: 1,422,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,628 : 648,484 = 648,484 : x
  2. Step 2: Convert to fraction form
    295,628/648,484 = 648,484/x
  3. Step 3: Cross multiply
    295,628x = 648,484 × 648,484
  4. Step 4: Simplify right side
    295,628x = 420,531,498,256
  5. Step 5: Solve for x
    x = 420,531,498,256/295,628
  6. Step 6: Final answer
    x = 1,422,502.26

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.