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Finding the Third Proportional to 154,988,640 and 334,632,654

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Solution

The third proportional to 154,988,640 and 334,632,654 is: 722,498,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,988,640 : 334,632,654 = 334,632,654 : x
  2. Step 2: Convert to fraction form
    154,988,640/334,632,654 = 334,632,654/x
  3. Step 3: Cross multiply
    154,988,640x = 334,632,654 × 334,632,654
  4. Step 4: Simplify right side
    154,988,640x = 111,979,013,123,083,712
  5. Step 5: Solve for x
    x = 111,979,013,123,083,712/154,988,640
  6. Step 6: Final answer
    x = 722,498,198.08

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.