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Finding the Third Proportional to 91,438.88 and 130,506.19

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Solution

The third proportional to 91,438.88 and 130,506.19 is: 186,265.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,438.88 : 130,506.19 = 130,506.19 : x
  2. Step 2: Convert to fraction form
    91,438.88/130,506.19 = 130,506.19/x
  3. Step 3: Cross multiply
    91,438.88x = 130,506.19 × 130,506.19
  4. Step 4: Simplify right side
    91,438.88x = 17,031,864,975.79
  5. Step 5: Solve for x
    x = 17,031,864,975.79/91,438.88
  6. Step 6: Final answer
    x = 186,265.03

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.