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Finding the Third Proportional to 201,895,287.75 and 439,219,975.50

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Solution

The third proportional to 201,895,287.75 and 439,219,975.50 is: 955,516,045.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,895,287.75 : 439,219,975.50 = 439,219,975.50 : x
  2. Step 2: Convert to fraction form
    201,895,287.75/439,219,975.50 = 439,219,975.50/x
  3. Step 3: Cross multiply
    201,895,287.75x = 439,219,975.50 × 439,219,975.50
  4. Step 4: Simplify right side
    201,895,287.75x = 192,914,186,878,220,608
  5. Step 5: Solve for x
    x = 192,914,186,878,220,608/201,895,287.75
  6. Step 6: Final answer
    x = 955,516,045.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.