Home / 1,909,102.50-4,116,939.75

Finding the Third Proportional to 1,909,102.50 and 4,116,939.75

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Solution

The third proportional to 1,909,102.50 and 4,116,939.75 is: 8,878,094.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,102.50 : 4,116,939.75 = 4,116,939.75 : x
  2. Step 2: Convert to fraction form
    1,909,102.50/4,116,939.75 = 4,116,939.75/x
  3. Step 3: Cross multiply
    1,909,102.50x = 4,116,939.75 × 4,116,939.75
  4. Step 4: Simplify right side
    1,909,102.50x = 16,949,192,905,130.06
  5. Step 5: Solve for x
    x = 16,949,192,905,130.06/1,909,102.50
  6. Step 6: Final answer
    x = 8,878,094.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.