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Finding the Third Proportional to 7,685,707.50 and 16,511,080.50

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Solution

The third proportional to 7,685,707.50 and 16,511,080.50 is: 35,470,485.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685,707.50 : 16,511,080.50 = 16,511,080.50 : x
  2. Step 2: Convert to fraction form
    7,685,707.50/16,511,080.50 = 16,511,080.50/x
  3. Step 3: Cross multiply
    7,685,707.50x = 16,511,080.50 × 16,511,080.50
  4. Step 4: Simplify right side
    7,685,707.50x = 272,615,779,277,480.25
  5. Step 5: Solve for x
    x = 272,615,779,277,480.25/7,685,707.50
  6. Step 6: Final answer
    x = 35,470,485.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.