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Finding the Third Proportional to 719,885 and 1,575,364

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Solution

The third proportional to 719,885 and 1,575,364 is: 3,447,455.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,885 : 1,575,364 = 1,575,364 : x
  2. Step 2: Convert to fraction form
    719,885/1,575,364 = 1,575,364/x
  3. Step 3: Cross multiply
    719,885x = 1,575,364 × 1,575,364
  4. Step 4: Simplify right side
    719,885x = 2,481,771,732,496
  5. Step 5: Solve for x
    x = 2,481,771,732,496/719,885
  6. Step 6: Final answer
    x = 3,447,455.82

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.