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Finding the Third Proportional to 28,909,276 and 57,087,416

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Solution

The third proportional to 28,909,276 and 57,087,416 is: 112,731,050.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909,276 : 57,087,416 = 57,087,416 : x
  2. Step 2: Convert to fraction form
    28,909,276/57,087,416 = 57,087,416/x
  3. Step 3: Cross multiply
    28,909,276x = 57,087,416 × 57,087,416
  4. Step 4: Simplify right side
    28,909,276x = 3,258,973,065,557,056
  5. Step 5: Solve for x
    x = 3,258,973,065,557,056/28,909,276
  6. Step 6: Final answer
    x = 112,731,050.95

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.