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Finding the Third Proportional to 4,009,779 and 8,232,128.50

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Solution

The third proportional to 4,009,779 and 8,232,128.50 is: 16,900,667.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009,779 : 8,232,128.50 = 8,232,128.50 : x
  2. Step 2: Convert to fraction form
    4,009,779/8,232,128.50 = 8,232,128.50/x
  3. Step 3: Cross multiply
    4,009,779x = 8,232,128.50 × 8,232,128.50
  4. Step 4: Simplify right side
    4,009,779x = 67,767,939,640,512.25
  5. Step 5: Solve for x
    x = 67,767,939,640,512.25/4,009,779
  6. Step 6: Final answer
    x = 16,900,667.00

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.