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Finding the Third Proportional to 84,718 and 124,613

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Solution

The third proportional to 84,718 and 124,613 is: 183,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,718 : 124,613 = 124,613 : x
  2. Step 2: Convert to fraction form
    84,718/124,613 = 124,613/x
  3. Step 3: Cross multiply
    84,718x = 124,613 × 124,613
  4. Step 4: Simplify right side
    84,718x = 15,528,399,769
  5. Step 5: Solve for x
    x = 15,528,399,769/84,718
  6. Step 6: Final answer
    x = 183,295.16

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.