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Finding the Third Proportional to 603,720 and 1,312,272

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Solution

The third proportional to 603,720 and 1,312,272 is: 2,852,411.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,720 : 1,312,272 = 1,312,272 : x
  2. Step 2: Convert to fraction form
    603,720/1,312,272 = 1,312,272/x
  3. Step 3: Cross multiply
    603,720x = 1,312,272 × 1,312,272
  4. Step 4: Simplify right side
    603,720x = 1,722,057,801,984
  5. Step 5: Solve for x
    x = 1,722,057,801,984/603,720
  6. Step 6: Final answer
    x = 2,852,411.39

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.