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Finding the Third Proportional to 551,044.50 and 851,121

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Solution

The third proportional to 551,044.50 and 851,121 is: 1,314,607.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,044.50 : 851,121 = 851,121 : x
  2. Step 2: Convert to fraction form
    551,044.50/851,121 = 851,121/x
  3. Step 3: Cross multiply
    551,044.50x = 851,121 × 851,121
  4. Step 4: Simplify right side
    551,044.50x = 724,406,956,641
  5. Step 5: Solve for x
    x = 724,406,956,641/551,044.50
  6. Step 6: Final answer
    x = 1,314,607.00

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.