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Finding the Third Proportional to 619,725 and 1,313,862

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Solution

The third proportional to 619,725 and 1,313,862 is: 2,785,482.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,725 : 1,313,862 = 1,313,862 : x
  2. Step 2: Convert to fraction form
    619,725/1,313,862 = 1,313,862/x
  3. Step 3: Cross multiply
    619,725x = 1,313,862 × 1,313,862
  4. Step 4: Simplify right side
    619,725x = 1,726,233,355,044
  5. Step 5: Solve for x
    x = 1,726,233,355,044/619,725
  6. Step 6: Final answer
    x = 2,785,482.84

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.