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Finding the Third Proportional to 870,592 and 1,232,988

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Solution

The third proportional to 870,592 and 1,232,988 is: 1,746,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,592 : 1,232,988 = 1,232,988 : x
  2. Step 2: Convert to fraction form
    870,592/1,232,988 = 1,232,988/x
  3. Step 3: Cross multiply
    870,592x = 1,232,988 × 1,232,988
  4. Step 4: Simplify right side
    870,592x = 1,520,259,408,144
  5. Step 5: Solve for x
    x = 1,520,259,408,144/870,592
  6. Step 6: Final answer
    x = 1,746,236.36

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.