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Finding the Third Proportional to 1,403,881.88 and 2,132,066.81

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Solution

The third proportional to 1,403,881.88 and 2,132,066.81 is: 3,237,956.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,881.88 : 2,132,066.81 = 2,132,066.81 : x
  2. Step 2: Convert to fraction form
    1,403,881.88/2,132,066.81 = 2,132,066.81/x
  3. Step 3: Cross multiply
    1,403,881.88x = 2,132,066.81 × 2,132,066.81
  4. Step 4: Simplify right side
    1,403,881.88x = 4,545,708,892,963.91
  5. Step 5: Solve for x
    x = 4,545,708,892,963.91/1,403,881.88
  6. Step 6: Final answer
    x = 3,237,956.82

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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.