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Finding the Third Proportional to 118,710,908.25 and 261,573,199.50

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Solution

The third proportional to 118,710,908.25 and 261,573,199.50 is: 576,362,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,710,908.25 : 261,573,199.50 = 261,573,199.50 : x
  2. Step 2: Convert to fraction form
    118,710,908.25/261,573,199.50 = 261,573,199.50/x
  3. Step 3: Cross multiply
    118,710,908.25x = 261,573,199.50 × 261,573,199.50
  4. Step 4: Simplify right side
    118,710,908.25x = 68,420,538,696,666,800
  5. Step 5: Solve for x
    x = 68,420,538,696,666,800/118,710,908.25
  6. Step 6: Final answer
    x = 576,362,692.40

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.