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Finding the Third Proportional to 361,877,899.50 and 790,119,805.50

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Solution

The third proportional to 361,877,899.50 and 790,119,805.50 is: 1,725,137,975.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,877,899.50 : 790,119,805.50 = 790,119,805.50 : x
  2. Step 2: Convert to fraction form
    361,877,899.50/790,119,805.50 = 790,119,805.50/x
  3. Step 3: Cross multiply
    361,877,899.50x = 790,119,805.50 × 790,119,805.50
  4. Step 4: Simplify right side
    361,877,899.50x = 624,289,307,043,357,824
  5. Step 5: Solve for x
    x = 624,289,307,043,357,824/361,877,899.50
  6. Step 6: Final answer
    x = 1,725,137,975.84

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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.