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Finding the Third Proportional to 130,877.63 and 207,575.81

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Solution

The third proportional to 130,877.63 and 207,575.81 is: 329,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,877.63 : 207,575.81 = 207,575.81 : x
  2. Step 2: Convert to fraction form
    130,877.63/207,575.81 = 207,575.81/x
  3. Step 3: Cross multiply
    130,877.63x = 207,575.81 × 207,575.81
  4. Step 4: Simplify right side
    130,877.63x = 43,087,717,935.04
  5. Step 5: Solve for x
    x = 43,087,717,935.04/130,877.63
  6. Step 6: Final answer
    x = 329,221.42

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.