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Finding the Third Proportional to 842,374 and 1,988,559

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Solution

The third proportional to 842,374 and 1,988,559 is: 4,694,312.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,374 : 1,988,559 = 1,988,559 : x
  2. Step 2: Convert to fraction form
    842,374/1,988,559 = 1,988,559/x
  3. Step 3: Cross multiply
    842,374x = 1,988,559 × 1,988,559
  4. Step 4: Simplify right side
    842,374x = 3,954,366,896,481
  5. Step 5: Solve for x
    x = 3,954,366,896,481/842,374
  6. Step 6: Final answer
    x = 4,694,312.62

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.