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Finding the Third Proportional to 28,210,472 and 38,980,462

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Solution

The third proportional to 28,210,472 and 38,980,462 is: 53,862,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,210,472 : 38,980,462 = 38,980,462 : x
  2. Step 2: Convert to fraction form
    28,210,472/38,980,462 = 38,980,462/x
  3. Step 3: Cross multiply
    28,210,472x = 38,980,462 × 38,980,462
  4. Step 4: Simplify right side
    28,210,472x = 1,519,476,417,733,444
  5. Step 5: Solve for x
    x = 1,519,476,417,733,444/28,210,472
  6. Step 6: Final answer
    x = 53,862,140.90

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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.