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Finding the Third Proportional to 171,938,702.53 and 377,655,217.59

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Solution

The third proportional to 171,938,702.53 and 377,655,217.59 is: 829,501,800.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,938,702.53 : 377,655,217.59 = 377,655,217.59 : x
  2. Step 2: Convert to fraction form
    171,938,702.53/377,655,217.59 = 377,655,217.59/x
  3. Step 3: Cross multiply
    171,938,702.53x = 377,655,217.59 × 377,655,217.59
  4. Step 4: Simplify right side
    171,938,702.53x = 142,623,463,375,782,656
  5. Step 5: Solve for x
    x = 142,623,463,375,782,656/171,938,702.53
  6. Step 6: Final answer
    x = 829,501,800.79

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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.