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Finding the Third Proportional to 357,683.50 and 777,491

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Solution

The third proportional to 357,683.50 and 777,491 is: 1,690,019.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,683.50 : 777,491 = 777,491 : x
  2. Step 2: Convert to fraction form
    357,683.50/777,491 = 777,491/x
  3. Step 3: Cross multiply
    357,683.50x = 777,491 × 777,491
  4. Step 4: Simplify right side
    357,683.50x = 604,492,255,081
  5. Step 5: Solve for x
    x = 604,492,255,081/357,683.50
  6. Step 6: Final answer
    x = 1,690,019.96

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.