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Finding the Third Proportional to 28,210,474 and 38,980,465

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Solution

The third proportional to 28,210,474 and 38,980,465 is: 53,862,145.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,210,474 : 38,980,465 = 38,980,465 : x
  2. Step 2: Convert to fraction form
    28,210,474/38,980,465 = 38,980,465/x
  3. Step 3: Cross multiply
    28,210,474x = 38,980,465 × 38,980,465
  4. Step 4: Simplify right side
    28,210,474x = 1,519,476,651,616,225
  5. Step 5: Solve for x
    x = 1,519,476,651,616,225/28,210,474
  6. Step 6: Final answer
    x = 53,862,145.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.