Home / 12,492,690.75-28,917,820.13

Finding the Third Proportional to 12,492,690.75 and 28,917,820.13

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Solution

The third proportional to 12,492,690.75 and 28,917,820.13 is: 66,938,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,690.75 : 28,917,820.13 = 28,917,820.13 : x
  2. Step 2: Convert to fraction form
    12,492,690.75/28,917,820.13 = 28,917,820.13/x
  3. Step 3: Cross multiply
    12,492,690.75x = 28,917,820.13 × 28,917,820.13
  4. Step 4: Simplify right side
    12,492,690.75x = 836,240,320,781,855
  5. Step 5: Solve for x
    x = 836,240,320,781,855/12,492,690.75
  6. Step 6: Final answer
    x = 66,938,367.20

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.