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Finding the Third Proportional to 618,397.88 and 945,987.47

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Solution

The third proportional to 618,397.88 and 945,987.47 is: 1,447,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,397.88 : 945,987.47 = 945,987.47 : x
  2. Step 2: Convert to fraction form
    618,397.88/945,987.47 = 945,987.47/x
  3. Step 3: Cross multiply
    618,397.88x = 945,987.47 × 945,987.47
  4. Step 4: Simplify right side
    618,397.88x = 894,892,291,032.03
  5. Step 5: Solve for x
    x = 894,892,291,032.03/618,397.88
  6. Step 6: Final answer
    x = 1,447,114.11

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.