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Finding the Third Proportional to 724,877 and 1,569,219

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Solution

The third proportional to 724,877 and 1,569,219 is: 3,397,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,877 : 1,569,219 = 1,569,219 : x
  2. Step 2: Convert to fraction form
    724,877/1,569,219 = 1,569,219/x
  3. Step 3: Cross multiply
    724,877x = 1,569,219 × 1,569,219
  4. Step 4: Simplify right side
    724,877x = 2,462,448,269,961
  5. Step 5: Solve for x
    x = 2,462,448,269,961/724,877
  6. Step 6: Final answer
    x = 3,397,056.70

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.