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Finding the Third Proportional to 399,268,553,448 and 887,807,857,482

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Solution

The third proportional to 399,268,553,448 and 887,807,857,482 is: 1,974,116,881,983.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,268,553,448 : 887,807,857,482 = 887,807,857,482 : x
  2. Step 2: Convert to fraction form
    399,268,553,448/887,807,857,482 = 887,807,857,482/x
  3. Step 3: Cross multiply
    399,268,553,448x = 887,807,857,482 × 887,807,857,482
  4. Step 4: Simplify right side
    399,268,553,448x = 788,202,791,806,779,227,373,568
  5. Step 5: Solve for x
    x = 788,202,791,806,779,227,373,568/399,268,553,448
  6. Step 6: Final answer
    x = 1,974,116,881,983.38

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.