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Finding the Third Proportional to 354,609 and 531,913.50

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Solution

The third proportional to 354,609 and 531,913.50 is: 797,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,609 : 531,913.50 = 531,913.50 : x
  2. Step 2: Convert to fraction form
    354,609/531,913.50 = 531,913.50/x
  3. Step 3: Cross multiply
    354,609x = 531,913.50 × 531,913.50
  4. Step 4: Simplify right side
    354,609x = 282,931,971,482.25
  5. Step 5: Solve for x
    x = 282,931,971,482.25/354,609
  6. Step 6: Final answer
    x = 797,870.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.