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Finding the Third Proportional to 212,095 and 457,406

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Solution

The third proportional to 212,095 and 457,406 is: 986,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,095 : 457,406 = 457,406 : x
  2. Step 2: Convert to fraction form
    212,095/457,406 = 457,406/x
  3. Step 3: Cross multiply
    212,095x = 457,406 × 457,406
  4. Step 4: Simplify right side
    212,095x = 209,220,248,836
  5. Step 5: Solve for x
    x = 209,220,248,836/212,095
  6. Step 6: Final answer
    x = 986,445.93

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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.