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Finding the Third Proportional to 108,718.88 and 153,100.13

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Solution

The third proportional to 108,718.88 and 153,100.13 is: 215,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,718.88 : 153,100.13 = 153,100.13 : x
  2. Step 2: Convert to fraction form
    108,718.88/153,100.13 = 153,100.13/x
  3. Step 3: Cross multiply
    108,718.88x = 153,100.13 × 153,100.13
  4. Step 4: Simplify right side
    108,718.88x = 23,439,648,275.02
  5. Step 5: Solve for x
    x = 23,439,648,275.02/108,718.88
  6. Step 6: Final answer
    x = 215,598.70

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.