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Finding the Third Proportional to 2,218,428 and 3,407,776.88

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Solution

The third proportional to 2,218,428 and 3,407,776.88 is: 5,234,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,428 : 3,407,776.88 = 3,407,776.88 : x
  2. Step 2: Convert to fraction form
    2,218,428/3,407,776.88 = 3,407,776.88/x
  3. Step 3: Cross multiply
    2,218,428x = 3,407,776.88 × 3,407,776.88
  4. Step 4: Simplify right side
    2,218,428x = 11,612,943,229,784.77
  5. Step 5: Solve for x
    x = 11,612,943,229,784.77/2,218,428
  6. Step 6: Final answer
    x = 5,234,762.29

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.