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Finding the Third Proportional to 86,806,745 and 187,242,658

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Solution

The third proportional to 86,806,745 and 187,242,658 is: 403,883,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,806,745 : 187,242,658 = 187,242,658 : x
  2. Step 2: Convert to fraction form
    86,806,745/187,242,658 = 187,242,658/x
  3. Step 3: Cross multiply
    86,806,745x = 187,242,658 × 187,242,658
  4. Step 4: Simplify right side
    86,806,745x = 35,059,812,974,904,964
  5. Step 5: Solve for x
    x = 35,059,812,974,904,964/86,806,745
  6. Step 6: Final answer
    x = 403,883,511.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.