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Finding the Third Proportional to 988,935,128 and 2,059,255,488

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Solution

The third proportional to 988,935,128 and 2,059,255,488 is: 4,287,979,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,935,128 : 2,059,255,488 = 2,059,255,488 : x
  2. Step 2: Convert to fraction form
    988,935,128/2,059,255,488 = 2,059,255,488/x
  3. Step 3: Cross multiply
    988,935,128x = 2,059,255,488 × 2,059,255,488
  4. Step 4: Simplify right side
    988,935,128x = 4,240,533,164,858,118,144
  5. Step 5: Solve for x
    x = 4,240,533,164,858,118,144/988,935,128
  6. Step 6: Final answer
    x = 4,287,979,104.79

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.