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Finding the Third Proportional to 920,727 and 1,395,306

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Solution

The third proportional to 920,727 and 1,395,306 is: 2,114,501.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,727 : 1,395,306 = 1,395,306 : x
  2. Step 2: Convert to fraction form
    920,727/1,395,306 = 1,395,306/x
  3. Step 3: Cross multiply
    920,727x = 1,395,306 × 1,395,306
  4. Step 4: Simplify right side
    920,727x = 1,946,878,833,636
  5. Step 5: Solve for x
    x = 1,946,878,833,636/920,727
  6. Step 6: Final answer
    x = 2,114,501.73

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.