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Finding the Third Proportional to 623,986.50 and 891,692.94

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Solution

The third proportional to 623,986.50 and 891,692.94 is: 1,274,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,986.50 : 891,692.94 = 891,692.94 : x
  2. Step 2: Convert to fraction form
    623,986.50/891,692.94 = 891,692.94/x
  3. Step 3: Cross multiply
    623,986.50x = 891,692.94 × 891,692.94
  4. Step 4: Simplify right side
    623,986.50x = 795,116,294,787.38
  5. Step 5: Solve for x
    x = 795,116,294,787.38/623,986.50
  6. Step 6: Final answer
    x = 1,274,252.40

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.