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Finding the Third Proportional to 876,838,636 and 1,908,036,703

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Solution

The third proportional to 876,838,636 and 1,908,036,703 is: 4,151,965,835.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,838,636 : 1,908,036,703 = 1,908,036,703 : x
  2. Step 2: Convert to fraction form
    876,838,636/1,908,036,703 = 1,908,036,703/x
  3. Step 3: Cross multiply
    876,838,636x = 1,908,036,703 × 1,908,036,703
  4. Step 4: Simplify right side
    876,838,636x = 3,640,604,059,995,110,400
  5. Step 5: Solve for x
    x = 3,640,604,059,995,110,400/876,838,636
  6. Step 6: Final answer
    x = 4,151,965,835.59

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.