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Finding the Third Proportional to 559,078 and 744,871

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Solution

The third proportional to 559,078 and 744,871 is: 992,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,078 : 744,871 = 744,871 : x
  2. Step 2: Convert to fraction form
    559,078/744,871 = 744,871/x
  3. Step 3: Cross multiply
    559,078x = 744,871 × 744,871
  4. Step 4: Simplify right side
    559,078x = 554,832,806,641
  5. Step 5: Solve for x
    x = 554,832,806,641/559,078
  6. Step 6: Final answer
    x = 992,406.80

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.