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Finding the Third Proportional to 6,429,405 and 9,726,763.50

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Solution

The third proportional to 6,429,405 and 9,726,763.50 is: 14,715,191.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429,405 : 9,726,763.50 = 9,726,763.50 : x
  2. Step 2: Convert to fraction form
    6,429,405/9,726,763.50 = 9,726,763.50/x
  3. Step 3: Cross multiply
    6,429,405x = 9,726,763.50 × 9,726,763.50
  4. Step 4: Simplify right side
    6,429,405x = 94,609,928,184,932.25
  5. Step 5: Solve for x
    x = 94,609,928,184,932.25/6,429,405
  6. Step 6: Final answer
    x = 14,715,191.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.