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Finding the Third Proportional to 128,051,937.75 and 275,525,308.50

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Solution

The third proportional to 128,051,937.75 and 275,525,308.50 is: 592,839,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,051,937.75 : 275,525,308.50 = 275,525,308.50 : x
  2. Step 2: Convert to fraction form
    128,051,937.75/275,525,308.50 = 275,525,308.50/x
  3. Step 3: Cross multiply
    128,051,937.75x = 275,525,308.50 × 275,525,308.50
  4. Step 4: Simplify right side
    128,051,937.75x = 75,914,195,624,020,176
  5. Step 5: Solve for x
    x = 75,914,195,624,020,176/128,051,937.75
  6. Step 6: Final answer
    x = 592,839,100.74

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.