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Finding the Third Proportional to 506,899.50 and 708,676.50

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Solution

The third proportional to 506,899.50 and 708,676.50 is: 990,773.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,899.50 : 708,676.50 = 708,676.50 : x
  2. Step 2: Convert to fraction form
    506,899.50/708,676.50 = 708,676.50/x
  3. Step 3: Cross multiply
    506,899.50x = 708,676.50 × 708,676.50
  4. Step 4: Simplify right side
    506,899.50x = 502,222,381,652.25
  5. Step 5: Solve for x
    x = 502,222,381,652.25/506,899.50
  6. Step 6: Final answer
    x = 990,773.09

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.