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Finding the Third Proportional to 3,486,779.50 and 8,142,222

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Solution

The third proportional to 3,486,779.50 and 8,142,222 is: 19,013,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486,779.50 : 8,142,222 = 8,142,222 : x
  2. Step 2: Convert to fraction form
    3,486,779.50/8,142,222 = 8,142,222/x
  3. Step 3: Cross multiply
    3,486,779.50x = 8,142,222 × 8,142,222
  4. Step 4: Simplify right side
    3,486,779.50x = 66,295,779,097,284
  5. Step 5: Solve for x
    x = 66,295,779,097,284/3,486,779.50
  6. Step 6: Final answer
    x = 19,013,470.48

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.