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Finding the Third Proportional to 8,946 and 19,430.63

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Solution

The third proportional to 8,946 and 19,430.63 is: 42,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946 : 19,430.63 = 19,430.63 : x
  2. Step 2: Convert to fraction form
    8,946/19,430.63 = 19,430.63/x
  3. Step 3: Cross multiply
    8,946x = 19,430.63 × 19,430.63
  4. Step 4: Simplify right side
    8,946x = 377,549,187.89
  5. Step 5: Solve for x
    x = 377,549,187.89/8,946
  6. Step 6: Final answer
    x = 42,203.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.