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Finding the Third Proportional to 426,902.63 and 643,159.13

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Solution

The third proportional to 426,902.63 and 643,159.13 is: 968,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,902.63 : 643,159.13 = 643,159.13 : x
  2. Step 2: Convert to fraction form
    426,902.63/643,159.13 = 643,159.13/x
  3. Step 3: Cross multiply
    426,902.63x = 643,159.13 × 643,159.13
  4. Step 4: Simplify right side
    426,902.63x = 413,653,660,070.77
  5. Step 5: Solve for x
    x = 413,653,660,070.77/426,902.63
  6. Step 6: Final answer
    x = 968,964.90

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