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Finding the Third Proportional to 913,740 and 1,963,560

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Solution

The third proportional to 913,740 and 1,963,560 is: 4,219,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,740 : 1,963,560 = 1,963,560 : x
  2. Step 2: Convert to fraction form
    913,740/1,963,560 = 1,963,560/x
  3. Step 3: Cross multiply
    913,740x = 1,963,560 × 1,963,560
  4. Step 4: Simplify right side
    913,740x = 3,855,567,873,600
  5. Step 5: Solve for x
    x = 3,855,567,873,600/913,740
  6. Step 6: Final answer
    x = 4,219,545.90

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.