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Finding the Third Proportional to 71,639,209.25 and 153,495,160

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Solution

The third proportional to 71,639,209.25 and 153,495,160 is: 328,880,851.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,639,209.25 : 153,495,160 = 153,495,160 : x
  2. Step 2: Convert to fraction form
    71,639,209.25/153,495,160 = 153,495,160/x
  3. Step 3: Cross multiply
    71,639,209.25x = 153,495,160 × 153,495,160
  4. Step 4: Simplify right side
    71,639,209.25x = 23,560,764,143,425,600
  5. Step 5: Solve for x
    x = 23,560,764,143,425,600/71,639,209.25
  6. Step 6: Final answer
    x = 328,880,851.56

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.