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Finding the Third Proportional to 3,831,702.50 and 6,385,915.50

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Solution

The third proportional to 3,831,702.50 and 6,385,915.50 is: 10,642,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831,702.50 : 6,385,915.50 = 6,385,915.50 : x
  2. Step 2: Convert to fraction form
    3,831,702.50/6,385,915.50 = 6,385,915.50/x
  3. Step 3: Cross multiply
    3,831,702.50x = 6,385,915.50 × 6,385,915.50
  4. Step 4: Simplify right side
    3,831,702.50x = 40,779,916,773,140.25
  5. Step 5: Solve for x
    x = 40,779,916,773,140.25/3,831,702.50
  6. Step 6: Final answer
    x = 10,642,766.96

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.