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Finding the Third Proportional to 3,990,134.50 and 6,191,046

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Solution

The third proportional to 3,990,134.50 and 6,191,046 is: 9,605,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,134.50 : 6,191,046 = 6,191,046 : x
  2. Step 2: Convert to fraction form
    3,990,134.50/6,191,046 = 6,191,046/x
  3. Step 3: Cross multiply
    3,990,134.50x = 6,191,046 × 6,191,046
  4. Step 4: Simplify right side
    3,990,134.50x = 38,329,050,574,116
  5. Step 5: Solve for x
    x = 38,329,050,574,116/3,990,134.50
  6. Step 6: Final answer
    x = 9,605,954.53

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.