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Finding the Third Proportional to 133,020 and 195,637.50

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Solution

The third proportional to 133,020 and 195,637.50 is: 287,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,020 : 195,637.50 = 195,637.50 : x
  2. Step 2: Convert to fraction form
    133,020/195,637.50 = 195,637.50/x
  3. Step 3: Cross multiply
    133,020x = 195,637.50 × 195,637.50
  4. Step 4: Simplify right side
    133,020x = 38,274,031,406.25
  5. Step 5: Solve for x
    x = 38,274,031,406.25/133,020
  6. Step 6: Final answer
    x = 287,731.40

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.