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Finding the Third Proportional to 448,560 and 668,952

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Solution

The third proportional to 448,560 and 668,952 is: 997,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,560 : 668,952 = 668,952 : x
  2. Step 2: Convert to fraction form
    448,560/668,952 = 668,952/x
  3. Step 3: Cross multiply
    448,560x = 668,952 × 668,952
  4. Step 4: Simplify right side
    448,560x = 447,496,778,304
  5. Step 5: Solve for x
    x = 447,496,778,304/448,560
  6. Step 6: Final answer
    x = 997,629.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.