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Finding the Third Proportional to 28,403,133 and 62,120,657

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Solution

The third proportional to 28,403,133 and 62,120,657 is: 135,864,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,133 : 62,120,657 = 62,120,657 : x
  2. Step 2: Convert to fraction form
    28,403,133/62,120,657 = 62,120,657/x
  3. Step 3: Cross multiply
    28,403,133x = 62,120,657 × 62,120,657
  4. Step 4: Simplify right side
    28,403,133x = 3,858,976,026,111,649
  5. Step 5: Solve for x
    x = 3,858,976,026,111,649/28,403,133
  6. Step 6: Final answer
    x = 135,864,449.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.