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Finding the Third Proportional to 713,653 and 1,538,711

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Solution

The third proportional to 713,653 and 1,538,711 is: 3,317,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,653 : 1,538,711 = 1,538,711 : x
  2. Step 2: Convert to fraction form
    713,653/1,538,711 = 1,538,711/x
  3. Step 3: Cross multiply
    713,653x = 1,538,711 × 1,538,711
  4. Step 4: Simplify right side
    713,653x = 2,367,631,541,521
  5. Step 5: Solve for x
    x = 2,367,631,541,521/713,653
  6. Step 6: Final answer
    x = 3,317,622.91

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.