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Finding the Third Proportional to 4,350,990.94 and 9,220,631.20

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Solution

The third proportional to 4,350,990.94 and 9,220,631.20 is: 19,540,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,350,990.94 : 9,220,631.20 = 9,220,631.20 : x
  2. Step 2: Convert to fraction form
    4,350,990.94/9,220,631.20 = 9,220,631.20/x
  3. Step 3: Cross multiply
    4,350,990.94x = 9,220,631.20 × 9,220,631.20
  4. Step 4: Simplify right side
    4,350,990.94x = 85,020,039,784,042.39
  5. Step 5: Solve for x
    x = 85,020,039,784,042.39/4,350,990.94
  6. Step 6: Final answer
    x = 19,540,385.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.