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Finding the Third Proportional to 8,762.11 and 19,220.58

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Solution

The third proportional to 8,762.11 and 19,220.58 is: 42,162.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.11 : 19,220.58 = 19,220.58 : x
  2. Step 2: Convert to fraction form
    8,762.11/19,220.58 = 19,220.58/x
  3. Step 3: Cross multiply
    8,762.11x = 19,220.58 × 19,220.58
  4. Step 4: Simplify right side
    8,762.11x = 369,430,623.46
  5. Step 5: Solve for x
    x = 369,430,623.46/8,762.11
  6. Step 6: Final answer
    x = 42,162.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.