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Finding the Third Proportional to 351,197,988 and 756,336,972

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Solution

The third proportional to 351,197,988 and 756,336,972 is: 1,628,840,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,197,988 : 756,336,972 = 756,336,972 : x
  2. Step 2: Convert to fraction form
    351,197,988/756,336,972 = 756,336,972/x
  3. Step 3: Cross multiply
    351,197,988x = 756,336,972 × 756,336,972
  4. Step 4: Simplify right side
    351,197,988x = 572,045,615,214,128,768
  5. Step 5: Solve for x
    x = 572,045,615,214,128,768/351,197,988
  6. Step 6: Final answer
    x = 1,628,840,809.91

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.