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Finding the Third Proportional to 719,930 and 1,575,454

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Solution

The third proportional to 719,930 and 1,575,454 is: 3,447,634.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,930 : 1,575,454 = 1,575,454 : x
  2. Step 2: Convert to fraction form
    719,930/1,575,454 = 1,575,454/x
  3. Step 3: Cross multiply
    719,930x = 1,575,454 × 1,575,454
  4. Step 4: Simplify right side
    719,930x = 2,482,055,306,116
  5. Step 5: Solve for x
    x = 2,482,055,306,116/719,930
  6. Step 6: Final answer
    x = 3,447,634.22

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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.