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Finding the Third Proportional to 713,178 and 971,344

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Solution

The third proportional to 713,178 and 971,344 is: 1,322,964.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,178 : 971,344 = 971,344 : x
  2. Step 2: Convert to fraction form
    713,178/971,344 = 971,344/x
  3. Step 3: Cross multiply
    713,178x = 971,344 × 971,344
  4. Step 4: Simplify right side
    713,178x = 943,509,166,336
  5. Step 5: Solve for x
    x = 943,509,166,336/713,178
  6. Step 6: Final answer
    x = 1,322,964.49

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.