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Finding the Third Proportional to 4,576,690 and 9,862,154

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Solution

The third proportional to 4,576,690 and 9,862,154 is: 21,251,621.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576,690 : 9,862,154 = 9,862,154 : x
  2. Step 2: Convert to fraction form
    4,576,690/9,862,154 = 9,862,154/x
  3. Step 3: Cross multiply
    4,576,690x = 9,862,154 × 9,862,154
  4. Step 4: Simplify right side
    4,576,690x = 97,262,081,519,716
  5. Step 5: Solve for x
    x = 97,262,081,519,716/4,576,690
  6. Step 6: Final answer
    x = 21,251,621.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.