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Finding the Third Proportional to 988,454.25 and 2,158,156

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Solution

The third proportional to 988,454.25 and 2,158,156 is: 4,712,041.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,454.25 : 2,158,156 = 2,158,156 : x
  2. Step 2: Convert to fraction form
    988,454.25/2,158,156 = 2,158,156/x
  3. Step 3: Cross multiply
    988,454.25x = 2,158,156 × 2,158,156
  4. Step 4: Simplify right side
    988,454.25x = 4,657,637,320,336
  5. Step 5: Solve for x
    x = 4,657,637,320,336/988,454.25
  6. Step 6: Final answer
    x = 4,712,041.37

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.