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Finding the Third Proportional to 445,331,528 and 921,211,072

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Solution

The third proportional to 445,331,528 and 921,211,072 is: 1,905,613,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,331,528 : 921,211,072 = 921,211,072 : x
  2. Step 2: Convert to fraction form
    445,331,528/921,211,072 = 921,211,072/x
  3. Step 3: Cross multiply
    445,331,528x = 921,211,072 × 921,211,072
  4. Step 4: Simplify right side
    445,331,528x = 848,629,839,175,389,184
  5. Step 5: Solve for x
    x = 848,629,839,175,389,184/445,331,528
  6. Step 6: Final answer
    x = 1,905,613,651.44

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.