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Finding the Third Proportional to 561,501 and 1,217,582

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Solution

The third proportional to 561,501 and 1,217,582 is: 2,640,255.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,501 : 1,217,582 = 1,217,582 : x
  2. Step 2: Convert to fraction form
    561,501/1,217,582 = 1,217,582/x
  3. Step 3: Cross multiply
    561,501x = 1,217,582 × 1,217,582
  4. Step 4: Simplify right side
    561,501x = 1,482,505,926,724
  5. Step 5: Solve for x
    x = 1,482,505,926,724/561,501
  6. Step 6: Final answer
    x = 2,640,255.19

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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.