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Finding the Third Proportional to 508,779 and 1,117,430

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Solution

The third proportional to 508,779 and 1,117,430 is: 2,454,208.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,779 : 1,117,430 = 1,117,430 : x
  2. Step 2: Convert to fraction form
    508,779/1,117,430 = 1,117,430/x
  3. Step 3: Cross multiply
    508,779x = 1,117,430 × 1,117,430
  4. Step 4: Simplify right side
    508,779x = 1,248,649,804,900
  5. Step 5: Solve for x
    x = 1,248,649,804,900/508,779
  6. Step 6: Final answer
    x = 2,454,208.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.