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Finding the Third Proportional to 282,875,356 and 422,570,903

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Solution

The third proportional to 282,875,356 and 422,570,903 is: 631,253,887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,875,356 : 422,570,903 = 422,570,903 : x
  2. Step 2: Convert to fraction form
    282,875,356/422,570,903 = 422,570,903/x
  3. Step 3: Cross multiply
    282,875,356x = 422,570,903 × 422,570,903
  4. Step 4: Simplify right side
    282,875,356x = 178,566,168,062,235,424
  5. Step 5: Solve for x
    x = 178,566,168,062,235,424/282,875,356
  6. Step 6: Final answer
    x = 631,253,887.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.