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Finding the Third Proportional to 4,308,781.50 and 6,680,779.50

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Solution

The third proportional to 4,308,781.50 and 6,680,779.50 is: 10,358,569.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308,781.50 : 6,680,779.50 = 6,680,779.50 : x
  2. Step 2: Convert to fraction form
    4,308,781.50/6,680,779.50 = 6,680,779.50/x
  3. Step 3: Cross multiply
    4,308,781.50x = 6,680,779.50 × 6,680,779.50
  4. Step 4: Simplify right side
    4,308,781.50x = 44,632,814,727,620.25
  5. Step 5: Solve for x
    x = 44,632,814,727,620.25/4,308,781.50
  6. Step 6: Final answer
    x = 10,358,569.99

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.