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Finding the Third Proportional to 103,638.19 and 160,038.28

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Solution

The third proportional to 103,638.19 and 160,038.28 is: 247,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,638.19 : 160,038.28 = 160,038.28 : x
  2. Step 2: Convert to fraction form
    103,638.19/160,038.28 = 160,038.28/x
  3. Step 3: Cross multiply
    103,638.19x = 160,038.28 × 160,038.28
  4. Step 4: Simplify right side
    103,638.19x = 25,612,251,465.45
  5. Step 5: Solve for x
    x = 25,612,251,465.45/103,638.19
  6. Step 6: Final answer
    x = 247,131.41

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.