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Finding the Third Proportional to 6,380,491.50 and 9,807,271.88

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Solution

The third proportional to 6,380,491.50 and 9,807,271.88 is: 15,074,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380,491.50 : 9,807,271.88 = 9,807,271.88 : x
  2. Step 2: Convert to fraction form
    6,380,491.50/9,807,271.88 = 9,807,271.88/x
  3. Step 3: Cross multiply
    6,380,491.50x = 9,807,271.88 × 9,807,271.88
  4. Step 4: Simplify right side
    6,380,491.50x = 96,182,581,630,166.02
  5. Step 5: Solve for x
    x = 96,182,581,630,166.02/6,380,491.50
  6. Step 6: Final answer
    x = 15,074,478.45

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.