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Finding the Third Proportional to 210,364.88 and 455,994

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Solution

The third proportional to 210,364.88 and 455,994 is: 988,427.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,364.88 : 455,994 = 455,994 : x
  2. Step 2: Convert to fraction form
    210,364.88/455,994 = 455,994/x
  3. Step 3: Cross multiply
    210,364.88x = 455,994 × 455,994
  4. Step 4: Simplify right side
    210,364.88x = 207,930,528,036
  5. Step 5: Solve for x
    x = 207,930,528,036/210,364.88
  6. Step 6: Final answer
    x = 988,427.98

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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.