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Finding the Third Proportional to 1,226,041.31 and 2,672,779.78

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Solution

The third proportional to 1,226,041.31 and 2,672,779.78 is: 5,826,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,041.31 : 2,672,779.78 = 2,672,779.78 : x
  2. Step 2: Convert to fraction form
    1,226,041.31/2,672,779.78 = 2,672,779.78/x
  3. Step 3: Cross multiply
    1,226,041.31x = 2,672,779.78 × 2,672,779.78
  4. Step 4: Simplify right side
    1,226,041.31x = 7,143,751,759,058.80
  5. Step 5: Solve for x
    x = 7,143,751,759,058.80/1,226,041.31
  6. Step 6: Final answer
    x = 5,826,681.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.