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Finding the Third Proportional to 87,243,699 and 183,512,742

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Solution

The third proportional to 87,243,699 and 183,512,742 is: 386,009,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,243,699 : 183,512,742 = 183,512,742 : x
  2. Step 2: Convert to fraction form
    87,243,699/183,512,742 = 183,512,742/x
  3. Step 3: Cross multiply
    87,243,699x = 183,512,742 × 183,512,742
  4. Step 4: Simplify right side
    87,243,699x = 33,676,926,476,358,564
  5. Step 5: Solve for x
    x = 33,676,926,476,358,564/87,243,699
  6. Step 6: Final answer
    x = 386,009,842.11

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.