Home / 128,988,904,885.87-282,772,721,067.75

Finding the Third Proportional to 128,988,904,885.87 and 282,772,721,067.75

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Solution

The third proportional to 128,988,904,885.87 and 282,772,721,067.75 is: 619,901,470,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,988,904,885.87 : 282,772,721,067.75 = 282,772,721,067.75 : x
  2. Step 2: Convert to fraction form
    128,988,904,885.87/282,772,721,067.75 = 282,772,721,067.75/x
  3. Step 3: Cross multiply
    128,988,904,885.87x = 282,772,721,067.75 × 282,772,721,067.75
  4. Step 4: Simplify right side
    128,988,904,885.87x = 79,960,411,780,059,542,585,344
  5. Step 5: Solve for x
    x = 79,960,411,780,059,542,585,344/128,988,904,885.87
  6. Step 6: Final answer
    x = 619,901,470,214.12

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.