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Finding the Third Proportional to 433,955,054 and 654,968,121

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Solution

The third proportional to 433,955,054 and 654,968,121 is: 988,543,019.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,955,054 : 654,968,121 = 654,968,121 : x
  2. Step 2: Convert to fraction form
    433,955,054/654,968,121 = 654,968,121/x
  3. Step 3: Cross multiply
    433,955,054x = 654,968,121 × 654,968,121
  4. Step 4: Simplify right side
    433,955,054x = 428,983,239,526,270,656
  5. Step 5: Solve for x
    x = 428,983,239,526,270,656/433,955,054
  6. Step 6: Final answer
    x = 988,543,019.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.