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Finding the Third Proportional to 28,911,501 and 39,645,489

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Solution

The third proportional to 28,911,501 and 39,645,489 is: 54,364,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911,501 : 39,645,489 = 39,645,489 : x
  2. Step 2: Convert to fraction form
    28,911,501/39,645,489 = 39,645,489/x
  3. Step 3: Cross multiply
    28,911,501x = 39,645,489 × 39,645,489
  4. Step 4: Simplify right side
    28,911,501x = 1,571,764,798,049,121
  5. Step 5: Solve for x
    x = 1,571,764,798,049,121/28,911,501
  6. Step 6: Final answer
    x = 54,364,690.30

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.