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Finding the Third Proportional to 86,804,748 and 187,238,531

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Solution

The third proportional to 86,804,748 and 187,238,531 is: 403,874,998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,804,748 : 187,238,531 = 187,238,531 : x
  2. Step 2: Convert to fraction form
    86,804,748/187,238,531 = 187,238,531/x
  3. Step 3: Cross multiply
    86,804,748x = 187,238,531 × 187,238,531
  4. Step 4: Simplify right side
    86,804,748x = 35,058,267,491,037,960
  5. Step 5: Solve for x
    x = 35,058,267,491,037,960/86,804,748
  6. Step 6: Final answer
    x = 403,874,998.76

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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.