Home / 322,307,112.38-690,561,570.75

Finding the Third Proportional to 322,307,112.38 and 690,561,570.75

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Solution

The third proportional to 322,307,112.38 and 690,561,570.75 is: 1,479,567,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,307,112.38 : 690,561,570.75 = 690,561,570.75 : x
  2. Step 2: Convert to fraction form
    322,307,112.38/690,561,570.75 = 690,561,570.75/x
  3. Step 3: Cross multiply
    322,307,112.38x = 690,561,570.75 × 690,561,570.75
  4. Step 4: Simplify right side
    322,307,112.38x = 476,875,282,996,707,264
  5. Step 5: Solve for x
    x = 476,875,282,996,707,264/322,307,112.38
  6. Step 6: Final answer
    x = 1,479,567,979.38

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.