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Finding the Third Proportional to 98,600,866 and 153,870,419

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Solution

The third proportional to 98,600,866 and 153,870,419 is: 240,120,668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,600,866 : 153,870,419 = 153,870,419 : x
  2. Step 2: Convert to fraction form
    98,600,866/153,870,419 = 153,870,419/x
  3. Step 3: Cross multiply
    98,600,866x = 153,870,419 × 153,870,419
  4. Step 4: Simplify right side
    98,600,866x = 23,676,105,843,235,560
  5. Step 5: Solve for x
    x = 23,676,105,843,235,560/98,600,866
  6. Step 6: Final answer
    x = 240,120,668.34

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.