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Finding the Third Proportional to 61,899.19 and 130,447.13

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Solution

The third proportional to 61,899.19 and 130,447.13 is: 274,905.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,899.19 : 130,447.13 = 130,447.13 : x
  2. Step 2: Convert to fraction form
    61,899.19/130,447.13 = 130,447.13/x
  3. Step 3: Cross multiply
    61,899.19x = 130,447.13 × 130,447.13
  4. Step 4: Simplify right side
    61,899.19x = 17,016,452,420.77
  5. Step 5: Solve for x
    x = 17,016,452,420.77/61,899.19
  6. Step 6: Final answer
    x = 274,905.91

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.