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Finding the Third Proportional to 4,690,143 and 10,278,090

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Solution

The third proportional to 4,690,143 and 10,278,090 is: 22,523,648.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690,143 : 10,278,090 = 10,278,090 : x
  2. Step 2: Convert to fraction form
    4,690,143/10,278,090 = 10,278,090/x
  3. Step 3: Cross multiply
    4,690,143x = 10,278,090 × 10,278,090
  4. Step 4: Simplify right side
    4,690,143x = 105,639,134,048,100
  5. Step 5: Solve for x
    x = 105,639,134,048,100/4,690,143
  6. Step 6: Final answer
    x = 22,523,648.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.